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Finding the Fourth Proportional to 15,065.44, 22,568.74 and 7,156.70

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Solution

The fourth proportional to 15,065.44, 22,568.74 and 7,156.70 is: 10,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.44 : 22,568.74 = 7,156.70 : x
  2. Step 2: Convert to fraction form
    15,065.44/22,568.74 = 7,156.70/x
  3. Step 3: Cross multiply
    15,065.44x = 22,568.74 × 7,156.70
  4. Step 4: Simplify right side
    15,065.44x = 161,517,570.82
  5. Step 5: Solve for x
    x = 161,517,570.82/15,065.44
  6. Step 6: Final answer
    x = 10,721.07

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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.