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Finding the Fourth Proportional to 82,761.71, 124,143.71 and 23,597.38

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Solution

The fourth proportional to 82,761.71, 124,143.71 and 23,597.38 is: 35,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,761.71 : 124,143.71 = 23,597.38 : x
  2. Step 2: Convert to fraction form
    82,761.71/124,143.71 = 23,597.38/x
  3. Step 3: Cross multiply
    82,761.71x = 124,143.71 × 23,597.38
  4. Step 4: Simplify right side
    82,761.71x = 2,929,466,186.62
  5. Step 5: Solve for x
    x = 2,929,466,186.62/82,761.71
  6. Step 6: Final answer
    x = 35,396.40

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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.