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Finding the Fourth Proportional to 6,591.38, 9,888.68 and 1,974.38

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Solution

The fourth proportional to 6,591.38, 9,888.68 and 1,974.38 is: 2,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.38 : 9,888.68 = 1,974.38 : x
  2. Step 2: Convert to fraction form
    6,591.38/9,888.68 = 1,974.38/x
  3. Step 3: Cross multiply
    6,591.38x = 9,888.68 × 1,974.38
  4. Step 4: Simplify right side
    6,591.38x = 19,523,967.51
  5. Step 5: Solve for x
    x = 19,523,967.51/6,591.38
  6. Step 6: Final answer
    x = 2,962.05

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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.