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Finding the Fourth Proportional to 63,388.52, 87,473.45 and 34,707.65

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Solution

The fourth proportional to 63,388.52, 87,473.45 and 34,707.65 is: 47,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,388.52 : 87,473.45 = 34,707.65 : x
  2. Step 2: Convert to fraction form
    63,388.52/87,473.45 = 34,707.65/x
  3. Step 3: Cross multiply
    63,388.52x = 87,473.45 × 34,707.65
  4. Step 4: Simplify right side
    63,388.52x = 3,035,998,192.35
  5. Step 5: Solve for x
    x = 3,035,998,192.35/63,388.52
  6. Step 6: Final answer
    x = 47,895.08

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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.