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Finding the Fourth Proportional to 62,630.92, 86,436.12 and 34,342.12

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Solution

The fourth proportional to 62,630.92, 86,436.12 and 34,342.12 is: 47,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,630.92 : 86,436.12 = 34,342.12 : x
  2. Step 2: Convert to fraction form
    62,630.92/86,436.12 = 34,342.12/x
  3. Step 3: Cross multiply
    62,630.92x = 86,436.12 × 34,342.12
  4. Step 4: Simplify right side
    62,630.92x = 2,968,399,605.37
  5. Step 5: Solve for x
    x = 2,968,399,605.37/62,630.92
  6. Step 6: Final answer
    x = 47,395.11

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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.