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Finding the Fourth Proportional to 40,616.64, 56,034.72 and 25,704

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Solution

The fourth proportional to 40,616.64, 56,034.72 and 25,704 is: 35,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,616.64 : 56,034.72 = 25,704 : x
  2. Step 2: Convert to fraction form
    40,616.64/56,034.72 = 25,704/x
  3. Step 3: Cross multiply
    40,616.64x = 56,034.72 × 25,704
  4. Step 4: Simplify right side
    40,616.64x = 1,440,316,442.88
  5. Step 5: Solve for x
    x = 1,440,316,442.88/40,616.64
  6. Step 6: Final answer
    x = 35,461.24

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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.