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Finding the Fourth Proportional to 12,073.61, 18,113.39 and 9,754.65

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Solution

The fourth proportional to 12,073.61, 18,113.39 and 9,754.65 is: 14,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.61 : 18,113.39 = 9,754.65 : x
  2. Step 2: Convert to fraction form
    12,073.61/18,113.39 = 9,754.65/x
  3. Step 3: Cross multiply
    12,073.61x = 18,113.39 × 9,754.65
  4. Step 4: Simplify right side
    12,073.61x = 176,689,730.99
  5. Step 5: Solve for x
    x = 176,689,730.99/12,073.61
  6. Step 6: Final answer
    x = 14,634.38

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1.5x scale

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.