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Finding the Fourth Proportional to 2,358.31, 3,535.44 and 898.51

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Solution

The fourth proportional to 2,358.31, 3,535.44 and 898.51 is: 1,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.31 : 3,535.44 = 898.51 : x
  2. Step 2: Convert to fraction form
    2,358.31/3,535.44 = 898.51/x
  3. Step 3: Cross multiply
    2,358.31x = 3,535.44 × 898.51
  4. Step 4: Simplify right side
    2,358.31x = 3,176,628.19
  5. Step 5: Solve for x
    x = 3,176,628.19/2,358.31
  6. Step 6: Final answer
    x = 1,346.99

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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.