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Finding the Fourth Proportional to 15,320.61, 22,985.86 and 7,523.95

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Solution

The fourth proportional to 15,320.61, 22,985.86 and 7,523.95 is: 11,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.61 : 22,985.86 = 7,523.95 : x
  2. Step 2: Convert to fraction form
    15,320.61/22,985.86 = 7,523.95/x
  3. Step 3: Cross multiply
    15,320.61x = 22,985.86 × 7,523.95
  4. Step 4: Simplify right side
    15,320.61x = 172,944,461.35
  5. Step 5: Solve for x
    x = 172,944,461.35/15,320.61
  6. Step 6: Final answer
    x = 11,288.36

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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.