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Finding the Fourth Proportional to 15,010.06, 20,716.46 and 8,726.08

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Solution

The fourth proportional to 15,010.06, 20,716.46 and 8,726.08 is: 12,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.06 : 20,716.46 = 8,726.08 : x
  2. Step 2: Convert to fraction form
    15,010.06/20,716.46 = 8,726.08/x
  3. Step 3: Cross multiply
    15,010.06x = 20,716.46 × 8,726.08
  4. Step 4: Simplify right side
    15,010.06x = 180,773,443.65
  5. Step 5: Solve for x
    x = 180,773,443.65/15,010.06
  6. Step 6: Final answer
    x = 12,043.49

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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.