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Finding the Fourth Proportional to 3,398.60, 5,097.92 and 933.46

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Solution

The fourth proportional to 3,398.60, 5,097.92 and 933.46 is: 1,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.60 : 5,097.92 = 933.46 : x
  2. Step 2: Convert to fraction form
    3,398.60/5,097.92 = 933.46/x
  3. Step 3: Cross multiply
    3,398.60x = 5,097.92 × 933.46
  4. Step 4: Simplify right side
    3,398.60x = 4,758,704.40
  5. Step 5: Solve for x
    x = 4,758,704.40/3,398.60
  6. Step 6: Final answer
    x = 1,400.20

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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.