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Finding the Fourth Proportional to 9,065.99, 12,504.70 and 8,761.17

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Solution

The fourth proportional to 9,065.99, 12,504.70 and 8,761.17 is: 12,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.99 : 12,504.70 = 8,761.17 : x
  2. Step 2: Convert to fraction form
    9,065.99/12,504.70 = 8,761.17/x
  3. Step 3: Cross multiply
    9,065.99x = 12,504.70 × 8,761.17
  4. Step 4: Simplify right side
    9,065.99x = 109,555,802.50
  5. Step 5: Solve for x
    x = 109,555,802.50/9,065.99
  6. Step 6: Final answer
    x = 12,084.26

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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.