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Finding the Fourth Proportional to 40,463.36, 60,700.16 and 15,836.16

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Solution

The fourth proportional to 40,463.36, 60,700.16 and 15,836.16 is: 23,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,463.36 : 60,700.16 = 15,836.16 : x
  2. Step 2: Convert to fraction form
    40,463.36/60,700.16 = 15,836.16/x
  3. Step 3: Cross multiply
    40,463.36x = 60,700.16 × 15,836.16
  4. Step 4: Simplify right side
    40,463.36x = 961,257,445.79
  5. Step 5: Solve for x
    x = 961,257,445.79/40,463.36
  6. Step 6: Final answer
    x = 23,756.24

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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.