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Finding the Fourth Proportional to 40,583.54, 60,881.08 and 12,505.88

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Solution

The fourth proportional to 40,583.54, 60,881.08 and 12,505.88 is: 18,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,583.54 : 60,881.08 = 12,505.88 : x
  2. Step 2: Convert to fraction form
    40,583.54/60,881.08 = 12,505.88/x
  3. Step 3: Cross multiply
    40,583.54x = 60,881.08 × 12,505.88
  4. Step 4: Simplify right side
    40,583.54x = 761,371,480.75
  5. Step 5: Solve for x
    x = 761,371,480.75/40,583.54
  6. Step 6: Final answer
    x = 18,760.60

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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.