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Finding the Fourth Proportional to 83,804.56, 125,728.44 and 24,642.16

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Solution

The fourth proportional to 83,804.56, 125,728.44 and 24,642.16 is: 36,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,804.56 : 125,728.44 = 24,642.16 : x
  2. Step 2: Convert to fraction form
    83,804.56/125,728.44 = 24,642.16/x
  3. Step 3: Cross multiply
    83,804.56x = 125,728.44 × 24,642.16
  4. Step 4: Simplify right side
    83,804.56x = 3,098,220,335.03
  5. Step 5: Solve for x
    x = 3,098,220,335.03/83,804.56
  6. Step 6: Final answer
    x = 36,969.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.