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Finding the Fourth Proportional to 71,377.40, 107,066.10 and 29,824.40

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Solution

The fourth proportional to 71,377.40, 107,066.10 and 29,824.40 is: 44,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.40 : 107,066.10 = 29,824.40 : x
  2. Step 2: Convert to fraction form
    71,377.40/107,066.10 = 29,824.40/x
  3. Step 3: Cross multiply
    71,377.40x = 107,066.10 × 29,824.40
  4. Step 4: Simplify right side
    71,377.40x = 3,193,182,192.84
  5. Step 5: Solve for x
    x = 3,193,182,192.84/71,377.40
  6. Step 6: Final answer
    x = 44,736.60

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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.