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Finding the Fourth Proportional to 15,010.80, 22,516.20 and 11,074.20

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Solution

The fourth proportional to 15,010.80, 22,516.20 and 11,074.20 is: 16,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.80 : 22,516.20 = 11,074.20 : x
  2. Step 2: Convert to fraction form
    15,010.80/22,516.20 = 11,074.20/x
  3. Step 3: Cross multiply
    15,010.80x = 22,516.20 × 11,074.20
  4. Step 4: Simplify right side
    15,010.80x = 249,348,902.04
  5. Step 5: Solve for x
    x = 249,348,902.04/15,010.80
  6. Step 6: Final answer
    x = 16,611.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.