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Finding the Fourth Proportional to 63,358.08, 87,432 and 35,064.96

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Solution

The fourth proportional to 63,358.08, 87,432 and 35,064.96 is: 48,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,358.08 : 87,432 = 35,064.96 : x
  2. Step 2: Convert to fraction form
    63,358.08/87,432 = 35,064.96/x
  3. Step 3: Cross multiply
    63,358.08x = 87,432 × 35,064.96
  4. Step 4: Simplify right side
    63,358.08x = 3,065,799,582.72
  5. Step 5: Solve for x
    x = 3,065,799,582.72/63,358.08
  6. Step 6: Final answer
    x = 48,388.45

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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.