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Finding the Fourth Proportional to 60,234.72, 90,366.42 and 20,792.16

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Solution

The fourth proportional to 60,234.72, 90,366.42 and 20,792.16 is: 31,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,234.72 : 90,366.42 = 20,792.16 : x
  2. Step 2: Convert to fraction form
    60,234.72/90,366.42 = 20,792.16/x
  3. Step 3: Cross multiply
    60,234.72x = 90,366.42 × 20,792.16
  4. Step 4: Simplify right side
    60,234.72x = 1,878,913,063.27
  5. Step 5: Solve for x
    x = 1,878,913,063.27/60,234.72
  6. Step 6: Final answer
    x = 31,193.19

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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.