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Finding the Fourth Proportional to 68,545.98, 94,592.68 and 38,330.89

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Solution

The fourth proportional to 68,545.98, 94,592.68 and 38,330.89 is: 52,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,545.98 : 94,592.68 = 38,330.89 : x
  2. Step 2: Convert to fraction form
    68,545.98/94,592.68 = 38,330.89/x
  3. Step 3: Cross multiply
    68,545.98x = 94,592.68 × 38,330.89
  4. Step 4: Simplify right side
    68,545.98x = 3,625,821,279.58
  5. Step 5: Solve for x
    x = 3,625,821,279.58/68,545.98
  6. Step 6: Final answer
    x = 52,896.19

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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.