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Finding the Fourth Proportional to 15,182.69, 22,766.72 and 8,607.11

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Solution

The fourth proportional to 15,182.69, 22,766.72 and 8,607.11 is: 12,906.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.69 : 22,766.72 = 8,607.11 : x
  2. Step 2: Convert to fraction form
    15,182.69/22,766.72 = 8,607.11/x
  3. Step 3: Cross multiply
    15,182.69x = 22,766.72 × 8,607.11
  4. Step 4: Simplify right side
    15,182.69x = 195,955,506.51
  5. Step 5: Solve for x
    x = 195,955,506.51/15,182.69
  6. Step 6: Final answer
    x = 12,906.51

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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.