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Finding the Fourth Proportional to 8,593.10, 12,905.49 and 5,151.50

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Solution

The fourth proportional to 8,593.10, 12,905.49 and 5,151.50 is: 7,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.10 : 12,905.49 = 5,151.50 : x
  2. Step 2: Convert to fraction form
    8,593.10/12,905.49 = 5,151.50/x
  3. Step 3: Cross multiply
    8,593.10x = 12,905.49 × 5,151.50
  4. Step 4: Simplify right side
    8,593.10x = 66,482,631.74
  5. Step 5: Solve for x
    x = 66,482,631.74/8,593.10
  6. Step 6: Final answer
    x = 7,736.75

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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.