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Finding the Fourth Proportional to 45,182.79, 62,352.61 and 25,040

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Solution

The fourth proportional to 45,182.79, 62,352.61 and 25,040 is: 34,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.79 : 62,352.61 = 25,040 : x
  2. Step 2: Convert to fraction form
    45,182.79/62,352.61 = 25,040/x
  3. Step 3: Cross multiply
    45,182.79x = 62,352.61 × 25,040
  4. Step 4: Simplify right side
    45,182.79x = 1,561,309,354.40
  5. Step 5: Solve for x
    x = 1,561,309,354.40/45,182.79
  6. Step 6: Final answer
    x = 34,555.40

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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.