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Finding the Fourth Proportional to 2,337.10, 3,506.32 and 693.68

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Solution

The fourth proportional to 2,337.10, 3,506.32 and 693.68 is: 1,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.10 : 3,506.32 = 693.68 : x
  2. Step 2: Convert to fraction form
    2,337.10/3,506.32 = 693.68/x
  3. Step 3: Cross multiply
    2,337.10x = 3,506.32 × 693.68
  4. Step 4: Simplify right side
    2,337.10x = 2,432,267.12
  5. Step 5: Solve for x
    x = 2,432,267.12/2,337.10
  6. Step 6: Final answer
    x = 1,040.72

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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.