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Finding the Fourth Proportional to 59,698.33, 82,395.45 and 34,221.78

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Solution

The fourth proportional to 59,698.33, 82,395.45 and 34,221.78 is: 47,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,698.33 : 82,395.45 = 34,221.78 : x
  2. Step 2: Convert to fraction form
    59,698.33/82,395.45 = 34,221.78/x
  3. Step 3: Cross multiply
    59,698.33x = 82,395.45 × 34,221.78
  4. Step 4: Simplify right side
    59,698.33x = 2,819,718,962.90
  5. Step 5: Solve for x
    x = 2,819,718,962.90/59,698.33
  6. Step 6: Final answer
    x = 47,232.79

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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.