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Finding the Fourth Proportional to 5,887.65, 8,815.28 and 4,591.65

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Solution

The fourth proportional to 5,887.65, 8,815.28 and 4,591.65 is: 6,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.65 : 8,815.28 = 4,591.65 : x
  2. Step 2: Convert to fraction form
    5,887.65/8,815.28 = 4,591.65/x
  3. Step 3: Cross multiply
    5,887.65x = 8,815.28 × 4,591.65
  4. Step 4: Simplify right side
    5,887.65x = 40,476,657.45
  5. Step 5: Solve for x
    x = 40,476,657.45/5,887.65
  6. Step 6: Final answer
    x = 6,874.84

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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.