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Finding the Fourth Proportional to 1,574.85, 2,358.62 and 750.48

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Solution

The fourth proportional to 1,574.85, 2,358.62 and 750.48 is: 1,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.85 : 2,358.62 = 750.48 : x
  2. Step 2: Convert to fraction form
    1,574.85/2,358.62 = 750.48/x
  3. Step 3: Cross multiply
    1,574.85x = 2,358.62 × 750.48
  4. Step 4: Simplify right side
    1,574.85x = 1,770,093.39
  5. Step 5: Solve for x
    x = 1,770,093.39/1,574.85
  6. Step 6: Final answer
    x = 1,123.98

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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.