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Finding the Fourth Proportional to 4,591.68, 6,889.08 and 1,670.22

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Solution

The fourth proportional to 4,591.68, 6,889.08 and 1,670.22 is: 2,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.68 : 6,889.08 = 1,670.22 : x
  2. Step 2: Convert to fraction form
    4,591.68/6,889.08 = 1,670.22/x
  3. Step 3: Cross multiply
    4,591.68x = 6,889.08 × 1,670.22
  4. Step 4: Simplify right side
    4,591.68x = 11,506,279.20
  5. Step 5: Solve for x
    x = 11,506,279.20/4,591.68
  6. Step 6: Final answer
    x = 2,505.90

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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.