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Finding the Fourth Proportional to 3,358.40, 5,037.60 and 1,410.08

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Solution

The fourth proportional to 3,358.40, 5,037.60 and 1,410.08 is: 2,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.40 : 5,037.60 = 1,410.08 : x
  2. Step 2: Convert to fraction form
    3,358.40/5,037.60 = 1,410.08/x
  3. Step 3: Cross multiply
    3,358.40x = 5,037.60 × 1,410.08
  4. Step 4: Simplify right side
    3,358.40x = 7,103,419.01
  5. Step 5: Solve for x
    x = 7,103,419.01/3,358.40
  6. Step 6: Final answer
    x = 2,115.12

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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.