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Finding the Fourth Proportional to 68,353.68, 94,327.74 and 38,545.68

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Solution

The fourth proportional to 68,353.68, 94,327.74 and 38,545.68 is: 53,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,353.68 : 94,327.74 = 38,545.68 : x
  2. Step 2: Convert to fraction form
    68,353.68/94,327.74 = 38,545.68/x
  3. Step 3: Cross multiply
    68,353.68x = 94,327.74 × 38,545.68
  4. Step 4: Simplify right side
    68,353.68x = 3,635,926,881.16
  5. Step 5: Solve for x
    x = 3,635,926,881.16/68,353.68
  6. Step 6: Final answer
    x = 53,192.85

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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.