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Finding the Fourth Proportional to 6,452.92, 9,681.05 and 2,070.42

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Solution

The fourth proportional to 6,452.92, 9,681.05 and 2,070.42 is: 3,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.92 : 9,681.05 = 2,070.42 : x
  2. Step 2: Convert to fraction form
    6,452.92/9,681.05 = 2,070.42/x
  3. Step 3: Cross multiply
    6,452.92x = 9,681.05 × 2,070.42
  4. Step 4: Simplify right side
    6,452.92x = 20,043,780.78
  5. Step 5: Solve for x
    x = 20,043,780.78/6,452.92
  6. Step 6: Final answer
    x = 3,106.16

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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.