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Finding the Fourth Proportional to 8,596.20, 12,894.48 and 2,752.80

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Solution

The fourth proportional to 8,596.20, 12,894.48 and 2,752.80 is: 4,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.20 : 12,894.48 = 2,752.80 : x
  2. Step 2: Convert to fraction form
    8,596.20/12,894.48 = 2,752.80/x
  3. Step 3: Cross multiply
    8,596.20x = 12,894.48 × 2,752.80
  4. Step 4: Simplify right side
    8,596.20x = 35,495,866.95
  5. Step 5: Solve for x
    x = 35,495,866.95/8,596.20
  6. Step 6: Final answer
    x = 4,129.25

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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.