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Finding the Fourth Proportional to 63,387.50, 87,479.19 and 35,095.01

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Solution

The fourth proportional to 63,387.50, 87,479.19 and 35,095.01 is: 48,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,387.50 : 87,479.19 = 35,095.01 : x
  2. Step 2: Convert to fraction form
    63,387.50/87,479.19 = 35,095.01/x
  3. Step 3: Cross multiply
    63,387.50x = 87,479.19 × 35,095.01
  4. Step 4: Simplify right side
    63,387.50x = 3,070,082,610.45
  5. Step 5: Solve for x
    x = 3,070,082,610.45/63,387.50
  6. Step 6: Final answer
    x = 48,433.57

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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.