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Finding the Fourth Proportional to 2,343.35, 3,515.76 and 699.96

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Solution

The fourth proportional to 2,343.35, 3,515.76 and 699.96 is: 1,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.35 : 3,515.76 = 699.96 : x
  2. Step 2: Convert to fraction form
    2,343.35/3,515.76 = 699.96/x
  3. Step 3: Cross multiply
    2,343.35x = 3,515.76 × 699.96
  4. Step 4: Simplify right side
    2,343.35x = 2,460,904.55
  5. Step 5: Solve for x
    x = 2,460,904.55/2,343.35
  6. Step 6: Final answer
    x = 1,050.16

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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.