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Finding the Fourth Proportional to 8,500.48, 12,755.68 and 3,569.70

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Solution

The fourth proportional to 8,500.48, 12,755.68 and 3,569.70 is: 5,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.48 : 12,755.68 = 3,569.70 : x
  2. Step 2: Convert to fraction form
    8,500.48/12,755.68 = 3,569.70/x
  3. Step 3: Cross multiply
    8,500.48x = 12,755.68 × 3,569.70
  4. Step 4: Simplify right side
    8,500.48x = 45,533,950.90
  5. Step 5: Solve for x
    x = 45,533,950.90/8,500.48
  6. Step 6: Final answer
    x = 5,356.63

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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.