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Finding the Fourth Proportional to 2,358.80, 3,535.14 and 970.56

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Solution

The fourth proportional to 2,358.80, 3,535.14 and 970.56 is: 1,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.80 : 3,535.14 = 970.56 : x
  2. Step 2: Convert to fraction form
    2,358.80/3,535.14 = 970.56/x
  3. Step 3: Cross multiply
    2,358.80x = 3,535.14 × 970.56
  4. Step 4: Simplify right side
    2,358.80x = 3,431,065.48
  5. Step 5: Solve for x
    x = 3,431,065.48/2,358.80
  6. Step 6: Final answer
    x = 1,454.58

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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.