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Finding the Fourth Proportional to 15,050.76, 20,770.02 and 8,336.38

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Solution

The fourth proportional to 15,050.76, 20,770.02 and 8,336.38 is: 11,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.76 : 20,770.02 = 8,336.38 : x
  2. Step 2: Convert to fraction form
    15,050.76/20,770.02 = 8,336.38/x
  3. Step 3: Cross multiply
    15,050.76x = 20,770.02 × 8,336.38
  4. Step 4: Simplify right side
    15,050.76x = 173,146,779.33
  5. Step 5: Solve for x
    x = 173,146,779.33/15,050.76
  6. Step 6: Final answer
    x = 11,504.19

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.