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Finding the Fourth Proportional to 29,387.60, 44,076.90 and 9,666.20

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Solution

The fourth proportional to 29,387.60, 44,076.90 and 9,666.20 is: 14,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.60 : 44,076.90 = 9,666.20 : x
  2. Step 2: Convert to fraction form
    29,387.60/44,076.90 = 9,666.20/x
  3. Step 3: Cross multiply
    29,387.60x = 44,076.90 × 9,666.20
  4. Step 4: Simplify right side
    29,387.60x = 426,056,130.78
  5. Step 5: Solve for x
    x = 426,056,130.78/29,387.60
  6. Step 6: Final answer
    x = 14,497.82

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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.