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Finding the Fourth Proportional to 63,668.52, 95,513.06 and 21,551.16

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Solution

The fourth proportional to 63,668.52, 95,513.06 and 21,551.16 is: 32,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.52 : 95,513.06 = 21,551.16 : x
  2. Step 2: Convert to fraction form
    63,668.52/95,513.06 = 21,551.16/x
  3. Step 3: Cross multiply
    63,668.52x = 95,513.06 × 21,551.16
  4. Step 4: Simplify right side
    63,668.52x = 2,058,417,238.15
  5. Step 5: Solve for x
    x = 2,058,417,238.15/63,668.52
  6. Step 6: Final answer
    x = 32,330.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.