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Finding the Fourth Proportional to 2,394.24, 3,591.27 and 988.62

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Solution

The fourth proportional to 2,394.24, 3,591.27 and 988.62 is: 1,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.24 : 3,591.27 = 988.62 : x
  2. Step 2: Convert to fraction form
    2,394.24/3,591.27 = 988.62/x
  3. Step 3: Cross multiply
    2,394.24x = 3,591.27 × 988.62
  4. Step 4: Simplify right side
    2,394.24x = 3,550,401.35
  5. Step 5: Solve for x
    x = 3,550,401.35/2,394.24
  6. Step 6: Final answer
    x = 1,482.89

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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.