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Finding the Fourth Proportional to 62,686.67, 86,506.92 and 34,392.33

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Solution

The fourth proportional to 62,686.67, 86,506.92 and 34,392.33 is: 47,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,686.67 : 86,506.92 = 34,392.33 : x
  2. Step 2: Convert to fraction form
    62,686.67/86,506.92 = 34,392.33/x
  3. Step 3: Cross multiply
    62,686.67x = 86,506.92 × 34,392.33
  4. Step 4: Simplify right side
    62,686.67x = 2,975,174,539.92
  5. Step 5: Solve for x
    x = 2,975,174,539.92/62,686.67
  6. Step 6: Final answer
    x = 47,461.04

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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.