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Finding the Fourth Proportional to 60,344.42, 90,487.40 and 35,392.64

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Solution

The fourth proportional to 60,344.42, 90,487.40 and 35,392.64 is: 53,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,344.42 : 90,487.40 = 35,392.64 : x
  2. Step 2: Convert to fraction form
    60,344.42/90,487.40 = 35,392.64/x
  3. Step 3: Cross multiply
    60,344.42x = 90,487.40 × 35,392.64
  4. Step 4: Simplify right side
    60,344.42x = 3,202,587,972.74
  5. Step 5: Solve for x
    x = 3,202,587,972.74/60,344.42
  6. Step 6: Final answer
    x = 53,071.82

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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.