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Finding the Fourth Proportional to 34,853.70, 48,098.03 and 18,938.22

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Solution

The fourth proportional to 34,853.70, 48,098.03 and 18,938.22 is: 26,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,853.70 : 48,098.03 = 18,938.22 : x
  2. Step 2: Convert to fraction form
    34,853.70/48,098.03 = 18,938.22/x
  3. Step 3: Cross multiply
    34,853.70x = 48,098.03 × 18,938.22
  4. Step 4: Simplify right side
    34,853.70x = 910,891,073.71
  5. Step 5: Solve for x
    x = 910,891,073.71/34,853.70
  6. Step 6: Final answer
    x = 26,134.70

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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.