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Finding the Fourth Proportional to 60,724.90, 91,077.05 and 16,341.76

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Solution

The fourth proportional to 60,724.90, 91,077.05 and 16,341.76 is: 24,509.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,724.90 : 91,077.05 = 16,341.76 : x
  2. Step 2: Convert to fraction form
    60,724.90/91,077.05 = 16,341.76/x
  3. Step 3: Cross multiply
    60,724.90x = 91,077.05 × 16,341.76
  4. Step 4: Simplify right side
    60,724.90x = 1,488,359,292.61
  5. Step 5: Solve for x
    x = 1,488,359,292.61/60,724.90
  6. Step 6: Final answer
    x = 24,509.87

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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.