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Finding the Fourth Proportional to 35,151.20, 52,726.80 and 34,575.20

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Solution

The fourth proportional to 35,151.20, 52,726.80 and 34,575.20 is: 51,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,151.20 : 52,726.80 = 34,575.20 : x
  2. Step 2: Convert to fraction form
    35,151.20/52,726.80 = 34,575.20/x
  3. Step 3: Cross multiply
    35,151.20x = 52,726.80 × 34,575.20
  4. Step 4: Simplify right side
    35,151.20x = 1,823,039,655.36
  5. Step 5: Solve for x
    x = 1,823,039,655.36/35,151.20
  6. Step 6: Final answer
    x = 51,862.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.