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Finding the Fourth Proportional to 2,358.92, 3,538.50 and 898.19

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Solution

The fourth proportional to 2,358.92, 3,538.50 and 898.19 is: 1,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.92 : 3,538.50 = 898.19 : x
  2. Step 2: Convert to fraction form
    2,358.92/3,538.50 = 898.19/x
  3. Step 3: Cross multiply
    2,358.92x = 3,538.50 × 898.19
  4. Step 4: Simplify right side
    2,358.92x = 3,178,245.32
  5. Step 5: Solve for x
    x = 3,178,245.32/2,358.92
  6. Step 6: Final answer
    x = 1,347.33

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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.