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Finding the Fourth Proportional to 62,646.93, 86,456.70 and 34,352.62

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Solution

The fourth proportional to 62,646.93, 86,456.70 and 34,352.62 is: 47,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,646.93 : 86,456.70 = 34,352.62 : x
  2. Step 2: Convert to fraction form
    62,646.93/86,456.70 = 34,352.62/x
  3. Step 3: Cross multiply
    62,646.93x = 86,456.70 × 34,352.62
  4. Step 4: Simplify right side
    62,646.93x = 2,970,013,945.41
  5. Step 5: Solve for x
    x = 2,970,013,945.41/62,646.93
  6. Step 6: Final answer
    x = 47,408.77

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1.5x scale

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.