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Finding the Fourth Proportional to 60,612.46, 90,932.45 and 18,496.30

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Solution

The fourth proportional to 60,612.46, 90,932.45 and 18,496.30 is: 27,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.46 : 90,932.45 = 18,496.30 : x
  2. Step 2: Convert to fraction form
    60,612.46/90,932.45 = 18,496.30/x
  3. Step 3: Cross multiply
    60,612.46x = 90,932.45 × 18,496.30
  4. Step 4: Simplify right side
    60,612.46x = 1,681,913,874.94
  5. Step 5: Solve for x
    x = 1,681,913,874.94/60,612.46
  6. Step 6: Final answer
    x = 27,748.65

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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.