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Finding the Fourth Proportional to 15,008.80, 22,484.40 and 8,845.60

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Solution

The fourth proportional to 15,008.80, 22,484.40 and 8,845.60 is: 13,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.80 : 22,484.40 = 8,845.60 : x
  2. Step 2: Convert to fraction form
    15,008.80/22,484.40 = 8,845.60/x
  3. Step 3: Cross multiply
    15,008.80x = 22,484.40 × 8,845.60
  4. Step 4: Simplify right side
    15,008.80x = 198,888,008.64
  5. Step 5: Solve for x
    x = 198,888,008.64/15,008.80
  6. Step 6: Final answer
    x = 13,251.43

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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.