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Finding the Fourth Proportional to 53,182.61, 79,745.68 and 15,737.52

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Solution

The fourth proportional to 53,182.61, 79,745.68 and 15,737.52 is: 23,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,182.61 : 79,745.68 = 15,737.52 : x
  2. Step 2: Convert to fraction form
    53,182.61/79,745.68 = 15,737.52/x
  3. Step 3: Cross multiply
    53,182.61x = 79,745.68 × 15,737.52
  4. Step 4: Simplify right side
    53,182.61x = 1,254,999,233.91
  5. Step 5: Solve for x
    x = 1,254,999,233.91/53,182.61
  6. Step 6: Final answer
    x = 23,597.92

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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.