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Finding the Fourth Proportional to 68,691.95, 103,018.89 and 24,312.86

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Solution

The fourth proportional to 68,691.95, 103,018.89 and 24,312.86 is: 36,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,691.95 : 103,018.89 = 24,312.86 : x
  2. Step 2: Convert to fraction form
    68,691.95/103,018.89 = 24,312.86/x
  3. Step 3: Cross multiply
    68,691.95x = 103,018.89 × 24,312.86
  4. Step 4: Simplify right side
    68,691.95x = 2,504,683,849.93
  5. Step 5: Solve for x
    x = 2,504,683,849.93/68,691.95
  6. Step 6: Final answer
    x = 36,462.55

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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.