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Finding the Fourth Proportional to 2,358.10, 3,249.03 and 1,570.78

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Solution

The fourth proportional to 2,358.10, 3,249.03 and 1,570.78 is: 2,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.10 : 3,249.03 = 1,570.78 : x
  2. Step 2: Convert to fraction form
    2,358.10/3,249.03 = 1,570.78/x
  3. Step 3: Cross multiply
    2,358.10x = 3,249.03 × 1,570.78
  4. Step 4: Simplify right side
    2,358.10x = 5,103,511.34
  5. Step 5: Solve for x
    x = 5,103,511.34/2,358.10
  6. Step 6: Final answer
    x = 2,164.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.