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Finding the Fourth Proportional to 62,617.96, 86,412.90 and 34,323.40

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Solution

The fourth proportional to 62,617.96, 86,412.90 and 34,323.40 is: 47,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,617.96 : 86,412.90 = 34,323.40 : x
  2. Step 2: Convert to fraction form
    62,617.96/86,412.90 = 34,323.40/x
  3. Step 3: Cross multiply
    62,617.96x = 86,412.90 × 34,323.40
  4. Step 4: Simplify right side
    62,617.96x = 2,965,984,531.86
  5. Step 5: Solve for x
    x = 2,965,984,531.86/62,617.96
  6. Step 6: Final answer
    x = 47,366.36

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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.