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Finding the Fourth Proportional to 2,348.70, 3,241.01 and 1,353.77

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Solution

The fourth proportional to 2,348.70, 3,241.01 and 1,353.77 is: 1,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.70 : 3,241.01 = 1,353.77 : x
  2. Step 2: Convert to fraction form
    2,348.70/3,241.01 = 1,353.77/x
  3. Step 3: Cross multiply
    2,348.70x = 3,241.01 × 1,353.77
  4. Step 4: Simplify right side
    2,348.70x = 4,387,559.13
  5. Step 5: Solve for x
    x = 4,387,559.13/2,348.70
  6. Step 6: Final answer
    x = 1,868.08

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1.5x scale

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.