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Finding the Fourth Proportional to 15,017.66, 22,529.66 and 4,488.50

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Solution

The fourth proportional to 15,017.66, 22,529.66 and 4,488.50 is: 6,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.66 : 22,529.66 = 4,488.50 : x
  2. Step 2: Convert to fraction form
    15,017.66/22,529.66 = 4,488.50/x
  3. Step 3: Cross multiply
    15,017.66x = 22,529.66 × 4,488.50
  4. Step 4: Simplify right side
    15,017.66x = 101,124,378.91
  5. Step 5: Solve for x
    x = 101,124,378.91/15,017.66
  6. Step 6: Final answer
    x = 6,733.70

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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.