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Finding the Fourth Proportional to 42,990.92, 59,330.37 and 23,872.89

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Solution

The fourth proportional to 42,990.92, 59,330.37 and 23,872.89 is: 32,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,990.92 : 59,330.37 = 23,872.89 : x
  2. Step 2: Convert to fraction form
    42,990.92/59,330.37 = 23,872.89/x
  3. Step 3: Cross multiply
    42,990.92x = 59,330.37 × 23,872.89
  4. Step 4: Simplify right side
    42,990.92x = 1,416,387,396.67
  5. Step 5: Solve for x
    x = 1,416,387,396.67/42,990.92
  6. Step 6: Final answer
    x = 32,946.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.