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Finding the Fourth Proportional to 4,242.71, 5,854.06 and 2,750.42

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Solution

The fourth proportional to 4,242.71, 5,854.06 and 2,750.42 is: 3,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.71 : 5,854.06 = 2,750.42 : x
  2. Step 2: Convert to fraction form
    4,242.71/5,854.06 = 2,750.42/x
  3. Step 3: Cross multiply
    4,242.71x = 5,854.06 × 2,750.42
  4. Step 4: Simplify right side
    4,242.71x = 16,101,123.71
  5. Step 5: Solve for x
    x = 16,101,123.71/4,242.71
  6. Step 6: Final answer
    x = 3,795.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.