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Finding the Fourth Proportional to 25,053.71, 34,574.11 and 13,723.11

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Solution

The fourth proportional to 25,053.71, 34,574.11 and 13,723.11 is: 18,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.71 : 34,574.11 = 13,723.11 : x
  2. Step 2: Convert to fraction form
    25,053.71/34,574.11 = 13,723.11/x
  3. Step 3: Cross multiply
    25,053.71x = 34,574.11 × 13,723.11
  4. Step 4: Simplify right side
    25,053.71x = 474,464,280.37
  5. Step 5: Solve for x
    x = 474,464,280.37/25,053.71
  6. Step 6: Final answer
    x = 18,937.88

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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.