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Finding the Fourth Proportional to 63,380.65, 87,482.76 and 37,904.53

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Solution

The fourth proportional to 63,380.65, 87,482.76 and 37,904.53 is: 52,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.65 : 87,482.76 = 37,904.53 : x
  2. Step 2: Convert to fraction form
    63,380.65/87,482.76 = 37,904.53/x
  3. Step 3: Cross multiply
    63,380.65x = 87,482.76 × 37,904.53
  4. Step 4: Simplify right side
    63,380.65x = 3,315,992,900.90
  5. Step 5: Solve for x
    x = 3,315,992,900.90/63,380.65
  6. Step 6: Final answer
    x = 52,318.70

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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.