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Finding the Fourth Proportional to 62,658.61, 86,467.75 and 35,434.26

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Solution

The fourth proportional to 62,658.61, 86,467.75 and 35,434.26 is: 48,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,658.61 : 86,467.75 = 35,434.26 : x
  2. Step 2: Convert to fraction form
    62,658.61/86,467.75 = 35,434.26/x
  3. Step 3: Cross multiply
    62,658.61x = 86,467.75 × 35,434.26
  4. Step 4: Simplify right side
    62,658.61x = 3,063,920,646.53
  5. Step 5: Solve for x
    x = 3,063,920,646.53/62,658.61
  6. Step 6: Final answer
    x = 48,898.64

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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.