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Finding the Fourth Proportional to 82,882.76, 124,294.86 and 26,720.60

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Solution

The fourth proportional to 82,882.76, 124,294.86 and 26,720.60 is: 40,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.76 : 124,294.86 = 26,720.60 : x
  2. Step 2: Convert to fraction form
    82,882.76/124,294.86 = 26,720.60/x
  3. Step 3: Cross multiply
    82,882.76x = 124,294.86 × 26,720.60
  4. Step 4: Simplify right side
    82,882.76x = 3,321,233,236.12
  5. Step 5: Solve for x
    x = 3,321,233,236.12/82,882.76
  6. Step 6: Final answer
    x = 40,071.46

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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.