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Finding the Fourth Proportional to 29,909.60, 44,864.40 and 27,139.40

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Solution

The fourth proportional to 29,909.60, 44,864.40 and 27,139.40 is: 40,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,909.60 : 44,864.40 = 27,139.40 : x
  2. Step 2: Convert to fraction form
    29,909.60/44,864.40 = 27,139.40/x
  3. Step 3: Cross multiply
    29,909.60x = 44,864.40 × 27,139.40
  4. Step 4: Simplify right side
    29,909.60x = 1,217,592,897.36
  5. Step 5: Solve for x
    x = 1,217,592,897.36/29,909.60
  6. Step 6: Final answer
    x = 40,709.10

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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.