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Finding the Fourth Proportional to 64,176.71, 96,264.72 and 17,429.58

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Solution

The fourth proportional to 64,176.71, 96,264.72 and 17,429.58 is: 26,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,176.71 : 96,264.72 = 17,429.58 : x
  2. Step 2: Convert to fraction form
    64,176.71/96,264.72 = 17,429.58/x
  3. Step 3: Cross multiply
    64,176.71x = 96,264.72 × 17,429.58
  4. Step 4: Simplify right side
    64,176.71x = 1,677,853,638.42
  5. Step 5: Solve for x
    x = 1,677,853,638.42/64,176.71
  6. Step 6: Final answer
    x = 26,144.28

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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.