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Finding the Fourth Proportional to 60,387.72, 90,581.46 and 16,018.92

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Solution

The fourth proportional to 60,387.72, 90,581.46 and 16,018.92 is: 24,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,387.72 : 90,581.46 = 16,018.92 : x
  2. Step 2: Convert to fraction form
    60,387.72/90,581.46 = 16,018.92/x
  3. Step 3: Cross multiply
    60,387.72x = 90,581.46 × 16,018.92
  4. Step 4: Simplify right side
    60,387.72x = 1,451,017,161.22
  5. Step 5: Solve for x
    x = 1,451,017,161.22/60,387.72
  6. Step 6: Final answer
    x = 24,028.35

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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.