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Finding the Fourth Proportional to 15,046.06, 22,555.70 and 7,143.70

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Solution

The fourth proportional to 15,046.06, 22,555.70 and 7,143.70 is: 10,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.06 : 22,555.70 = 7,143.70 : x
  2. Step 2: Convert to fraction form
    15,046.06/22,555.70 = 7,143.70/x
  3. Step 3: Cross multiply
    15,046.06x = 22,555.70 × 7,143.70
  4. Step 4: Simplify right side
    15,046.06x = 161,131,154.09
  5. Step 5: Solve for x
    x = 161,131,154.09/15,046.06
  6. Step 6: Final answer
    x = 10,709.19

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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.