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Finding the Fourth Proportional to 60,964.62, 91,397.72 and 56,043.87

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Solution

The fourth proportional to 60,964.62, 91,397.72 and 56,043.87 is: 84,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,964.62 : 91,397.72 = 56,043.87 : x
  2. Step 2: Convert to fraction form
    60,964.62/91,397.72 = 56,043.87/x
  3. Step 3: Cross multiply
    60,964.62x = 91,397.72 × 56,043.87
  4. Step 4: Simplify right side
    60,964.62x = 5,122,281,937.98
  5. Step 5: Solve for x
    x = 5,122,281,937.98/60,964.62
  6. Step 6: Final answer
    x = 84,020.57

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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.