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Finding the Fourth Proportional to 62,860.30, 86,744.97 and 34,565.74

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Solution

The fourth proportional to 62,860.30, 86,744.97 and 34,565.74 is: 47,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,860.30 : 86,744.97 = 34,565.74 : x
  2. Step 2: Convert to fraction form
    62,860.30/86,744.97 = 34,565.74/x
  3. Step 3: Cross multiply
    62,860.30x = 86,744.97 × 34,565.74
  4. Step 4: Simplify right side
    62,860.30x = 2,998,404,079.33
  5. Step 5: Solve for x
    x = 2,998,404,079.33/62,860.30
  6. Step 6: Final answer
    x = 47,699.49

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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.