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Finding the Fourth Proportional to 2,368.88, 3,548.40 and 2,002.39

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Solution

The fourth proportional to 2,368.88, 3,548.40 and 2,002.39 is: 2,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.88 : 3,548.40 = 2,002.39 : x
  2. Step 2: Convert to fraction form
    2,368.88/3,548.40 = 2,002.39/x
  3. Step 3: Cross multiply
    2,368.88x = 3,548.40 × 2,002.39
  4. Step 4: Simplify right side
    2,368.88x = 7,105,280.68
  5. Step 5: Solve for x
    x = 7,105,280.68/2,368.88
  6. Step 6: Final answer
    x = 2,999.43

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1.5x scale

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.