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Finding the Fourth Proportional to 34,882.71, 48,137.88 and 18,967.17

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Solution

The fourth proportional to 34,882.71, 48,137.88 and 18,967.17 is: 26,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,882.71 : 48,137.88 = 18,967.17 : x
  2. Step 2: Convert to fraction form
    34,882.71/48,137.88 = 18,967.17/x
  3. Step 3: Cross multiply
    34,882.71x = 48,137.88 × 18,967.17
  4. Step 4: Simplify right side
    34,882.71x = 913,039,353.40
  5. Step 5: Solve for x
    x = 913,039,353.40/34,882.71
  6. Step 6: Final answer
    x = 26,174.55

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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.