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Finding the Fourth Proportional to 45,127, 62,275.26 and 25,255

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Solution

The fourth proportional to 45,127, 62,275.26 and 25,255 is: 34,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127 : 62,275.26 = 25,255 : x
  2. Step 2: Convert to fraction form
    45,127/62,275.26 = 25,255/x
  3. Step 3: Cross multiply
    45,127x = 62,275.26 × 25,255
  4. Step 4: Simplify right side
    45,127x = 1,572,761,691.30
  5. Step 5: Solve for x
    x = 1,572,761,691.30/45,127
  6. Step 6: Final answer
    x = 34,851.90

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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.