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Finding the Fourth Proportional to 2,337.51, 3,506.10 and 693.90

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Solution

The fourth proportional to 2,337.51, 3,506.10 and 693.90 is: 1,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.51 : 3,506.10 = 693.90 : x
  2. Step 2: Convert to fraction form
    2,337.51/3,506.10 = 693.90/x
  3. Step 3: Cross multiply
    2,337.51x = 3,506.10 × 693.90
  4. Step 4: Simplify right side
    2,337.51x = 2,432,882.79
  5. Step 5: Solve for x
    x = 2,432,882.79/2,337.51
  6. Step 6: Final answer
    x = 1,040.80

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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.