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Finding the Fourth Proportional to 59,840.92, 89,685.06 and 31,774.42

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Solution

The fourth proportional to 59,840.92, 89,685.06 and 31,774.42 is: 47,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,840.92 : 89,685.06 = 31,774.42 : x
  2. Step 2: Convert to fraction form
    59,840.92/89,685.06 = 31,774.42/x
  3. Step 3: Cross multiply
    59,840.92x = 89,685.06 × 31,774.42
  4. Step 4: Simplify right side
    59,840.92x = 2,849,690,252.64
  5. Step 5: Solve for x
    x = 2,849,690,252.64/59,840.92
  6. Step 6: Final answer
    x = 47,621.10

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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.