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Finding the Fourth Proportional to 1,709.52, 2,358.80 and 1,046.54

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Solution

The fourth proportional to 1,709.52, 2,358.80 and 1,046.54 is: 1,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.52 : 2,358.80 = 1,046.54 : x
  2. Step 2: Convert to fraction form
    1,709.52/2,358.80 = 1,046.54/x
  3. Step 3: Cross multiply
    1,709.52x = 2,358.80 × 1,046.54
  4. Step 4: Simplify right side
    1,709.52x = 2,468,578.55
  5. Step 5: Solve for x
    x = 2,468,578.55/1,709.52
  6. Step 6: Final answer
    x = 1,444.02

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Why These Related Problems?

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