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Finding the Fourth Proportional to 35,432.52, 53,162.28 and 13,255.80

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Solution

The fourth proportional to 35,432.52, 53,162.28 and 13,255.80 is: 19,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,432.52 : 53,162.28 = 13,255.80 : x
  2. Step 2: Convert to fraction form
    35,432.52/53,162.28 = 13,255.80/x
  3. Step 3: Cross multiply
    35,432.52x = 53,162.28 × 13,255.80
  4. Step 4: Simplify right side
    35,432.52x = 704,708,551.22
  5. Step 5: Solve for x
    x = 704,708,551.22/35,432.52
  6. Step 6: Final answer
    x = 19,888.75

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