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Finding the Fourth Proportional to 2,348.32, 3,523.68 and 887.48

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Solution

The fourth proportional to 2,348.32, 3,523.68 and 887.48 is: 1,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.32 : 3,523.68 = 887.48 : x
  2. Step 2: Convert to fraction form
    2,348.32/3,523.68 = 887.48/x
  3. Step 3: Cross multiply
    2,348.32x = 3,523.68 × 887.48
  4. Step 4: Simplify right side
    2,348.32x = 3,127,195.53
  5. Step 5: Solve for x
    x = 3,127,195.53/2,348.32
  6. Step 6: Final answer
    x = 1,331.67

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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.