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Finding the Fourth Proportional to 3,368.52, 5,052.60 and 903.30

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Solution

The fourth proportional to 3,368.52, 5,052.60 and 903.30 is: 1,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.52 : 5,052.60 = 903.30 : x
  2. Step 2: Convert to fraction form
    3,368.52/5,052.60 = 903.30/x
  3. Step 3: Cross multiply
    3,368.52x = 5,052.60 × 903.30
  4. Step 4: Simplify right side
    3,368.52x = 4,564,013.58
  5. Step 5: Solve for x
    x = 4,564,013.58/3,368.52
  6. Step 6: Final answer
    x = 1,354.90

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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.