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Finding the Fourth Proportional to 63,319.50, 87,381 and 35,027.10

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Solution

The fourth proportional to 63,319.50, 87,381 and 35,027.10 is: 48,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,319.50 : 87,381 = 35,027.10 : x
  2. Step 2: Convert to fraction form
    63,319.50/87,381 = 35,027.10/x
  3. Step 3: Cross multiply
    63,319.50x = 87,381 × 35,027.10
  4. Step 4: Simplify right side
    63,319.50x = 3,060,703,025.10
  5. Step 5: Solve for x
    x = 3,060,703,025.10/63,319.50
  6. Step 6: Final answer
    x = 48,337.45

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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.