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Finding the Fourth Proportional to 9,065.97, 12,515.73 and 7,044.87

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Solution

The fourth proportional to 9,065.97, 12,515.73 and 7,044.87 is: 9,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.97 : 12,515.73 = 7,044.87 : x
  2. Step 2: Convert to fraction form
    9,065.97/12,515.73 = 7,044.87/x
  3. Step 3: Cross multiply
    9,065.97x = 12,515.73 × 7,044.87
  4. Step 4: Simplify right side
    9,065.97x = 88,171,690.81
  5. Step 5: Solve for x
    x = 88,171,690.81/9,065.97
  6. Step 6: Final answer
    x = 9,725.57

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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.