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Finding the Fourth Proportional to 40,397.60, 55,748.16 and 23,404.16

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Solution

The fourth proportional to 40,397.60, 55,748.16 and 23,404.16 is: 32,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.60 : 55,748.16 = 23,404.16 : x
  2. Step 2: Convert to fraction form
    40,397.60/55,748.16 = 23,404.16/x
  3. Step 3: Cross multiply
    40,397.60x = 55,748.16 × 23,404.16
  4. Step 4: Simplify right side
    40,397.60x = 1,304,738,856.35
  5. Step 5: Solve for x
    x = 1,304,738,856.35/40,397.60
  6. Step 6: Final answer
    x = 32,297.43

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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.