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Finding the Fourth Proportional to 63,482.50, 87,605.85 and 35,192.50

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Solution

The fourth proportional to 63,482.50, 87,605.85 and 35,192.50 is: 48,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,482.50 : 87,605.85 = 35,192.50 : x
  2. Step 2: Convert to fraction form
    63,482.50/87,605.85 = 35,192.50/x
  3. Step 3: Cross multiply
    63,482.50x = 87,605.85 × 35,192.50
  4. Step 4: Simplify right side
    63,482.50x = 3,083,068,876.13
  5. Step 5: Solve for x
    x = 3,083,068,876.13/63,482.50
  6. Step 6: Final answer
    x = 48,565.65

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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.