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Finding the Fourth Proportional to 45,398.66, 62,642.93 and 25,255.49

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Solution

The fourth proportional to 45,398.66, 62,642.93 and 25,255.49 is: 34,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.66 : 62,642.93 = 25,255.49 : x
  2. Step 2: Convert to fraction form
    45,398.66/62,642.93 = 25,255.49/x
  3. Step 3: Cross multiply
    45,398.66x = 62,642.93 × 25,255.49
  4. Step 4: Simplify right side
    45,398.66x = 1,582,077,452.69
  5. Step 5: Solve for x
    x = 1,582,077,452.69/45,398.66
  6. Step 6: Final answer
    x = 34,848.55

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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.