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Finding the Fourth Proportional to 3,354.60, 5,030.53 and 1,013.88

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Solution

The fourth proportional to 3,354.60, 5,030.53 and 1,013.88 is: 1,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.60 : 5,030.53 = 1,013.88 : x
  2. Step 2: Convert to fraction form
    3,354.60/5,030.53 = 1,013.88/x
  3. Step 3: Cross multiply
    3,354.60x = 5,030.53 × 1,013.88
  4. Step 4: Simplify right side
    3,354.60x = 5,100,353.76
  5. Step 5: Solve for x
    x = 5,100,353.76/3,354.60
  6. Step 6: Final answer
    x = 1,520.41

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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.