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Finding the Fourth Proportional to 2,337.64, 3,506.35 and 876.67

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Solution

The fourth proportional to 2,337.64, 3,506.35 and 876.67 is: 1,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.64 : 3,506.35 = 876.67 : x
  2. Step 2: Convert to fraction form
    2,337.64/3,506.35 = 876.67/x
  3. Step 3: Cross multiply
    2,337.64x = 3,506.35 × 876.67
  4. Step 4: Simplify right side
    2,337.64x = 3,073,911.85
  5. Step 5: Solve for x
    x = 3,073,911.85/2,337.64
  6. Step 6: Final answer
    x = 1,314.96

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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.