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Finding the Fourth Proportional to 40,463.95, 60,696.49 and 15,505.26

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Solution

The fourth proportional to 40,463.95, 60,696.49 and 15,505.26 is: 23,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,463.95 : 60,696.49 = 15,505.26 : x
  2. Step 2: Convert to fraction form
    40,463.95/60,696.49 = 15,505.26/x
  3. Step 3: Cross multiply
    40,463.95x = 60,696.49 × 15,505.26
  4. Step 4: Simplify right side
    40,463.95x = 941,114,781.01
  5. Step 5: Solve for x
    x = 941,114,781.01/40,463.95
  6. Step 6: Final answer
    x = 23,258.10

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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.