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Finding the Fourth Proportional to 60,200.91, 90,302.24 and 28,614.20

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Solution

The fourth proportional to 60,200.91, 90,302.24 and 28,614.20 is: 42,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,200.91 : 90,302.24 = 28,614.20 : x
  2. Step 2: Convert to fraction form
    60,200.91/90,302.24 = 28,614.20/x
  3. Step 3: Cross multiply
    60,200.91x = 90,302.24 × 28,614.20
  4. Step 4: Simplify right side
    60,200.91x = 2,583,925,975.83
  5. Step 5: Solve for x
    x = 2,583,925,975.83/60,200.91
  6. Step 6: Final answer
    x = 42,921.71

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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.