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Finding the Fourth Proportional to 15,010.08, 20,717.24 and 8,726.08

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Solution

The fourth proportional to 15,010.08, 20,717.24 and 8,726.08 is: 12,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.08 : 20,717.24 = 8,726.08 : x
  2. Step 2: Convert to fraction form
    15,010.08/20,717.24 = 8,726.08/x
  3. Step 3: Cross multiply
    15,010.08x = 20,717.24 × 8,726.08
  4. Step 4: Simplify right side
    15,010.08x = 180,780,293.62
  5. Step 5: Solve for x
    x = 180,780,293.62/15,010.08
  6. Step 6: Final answer
    x = 12,043.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.