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Finding the Fourth Proportional to 63,210.78, 87,630.26 and 59,839.97

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Solution

The fourth proportional to 63,210.78, 87,630.26 and 59,839.97 is: 82,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,210.78 : 87,630.26 = 59,839.97 : x
  2. Step 2: Convert to fraction form
    63,210.78/87,630.26 = 59,839.97/x
  3. Step 3: Cross multiply
    63,210.78x = 87,630.26 × 59,839.97
  4. Step 4: Simplify right side
    63,210.78x = 5,243,791,392.14
  5. Step 5: Solve for x
    x = 5,243,791,392.14/63,210.78
  6. Step 6: Final answer
    x = 82,957.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.