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Finding the Fourth Proportional to 8,689.53, 13,033.54 and 2,364.18

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Solution

The fourth proportional to 8,689.53, 13,033.54 and 2,364.18 is: 3,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.53 : 13,033.54 = 2,364.18 : x
  2. Step 2: Convert to fraction form
    8,689.53/13,033.54 = 2,364.18/x
  3. Step 3: Cross multiply
    8,689.53x = 13,033.54 × 2,364.18
  4. Step 4: Simplify right side
    8,689.53x = 30,813,634.60
  5. Step 5: Solve for x
    x = 30,813,634.60/8,689.53
  6. Step 6: Final answer
    x = 3,546.06

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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.