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Finding the Fourth Proportional to 63,045.11, 87,002.84 and 34,751.81

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Solution

The fourth proportional to 63,045.11, 87,002.84 and 34,751.81 is: 47,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,045.11 : 87,002.84 = 34,751.81 : x
  2. Step 2: Convert to fraction form
    63,045.11/87,002.84 = 34,751.81/x
  3. Step 3: Cross multiply
    63,045.11x = 87,002.84 × 34,751.81
  4. Step 4: Simplify right side
    63,045.11x = 3,023,506,165.14
  5. Step 5: Solve for x
    x = 3,023,506,165.14/63,045.11
  6. Step 6: Final answer
    x = 47,957.82

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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.