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Finding the Fourth Proportional to 8,722.88, 13,084.32 and 2,483.52

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Solution

The fourth proportional to 8,722.88, 13,084.32 and 2,483.52 is: 3,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.88 : 13,084.32 = 2,483.52 : x
  2. Step 2: Convert to fraction form
    8,722.88/13,084.32 = 2,483.52/x
  3. Step 3: Cross multiply
    8,722.88x = 13,084.32 × 2,483.52
  4. Step 4: Simplify right side
    8,722.88x = 32,495,170.41
  5. Step 5: Solve for x
    x = 32,495,170.41/8,722.88
  6. Step 6: Final answer
    x = 3,725.28

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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.