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Finding the Fourth Proportional to 1,752.48, 2,628.87 and 453.96

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Solution

The fourth proportional to 1,752.48, 2,628.87 and 453.96 is: 680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.48 : 2,628.87 = 453.96 : x
  2. Step 2: Convert to fraction form
    1,752.48/2,628.87 = 453.96/x
  3. Step 3: Cross multiply
    1,752.48x = 2,628.87 × 453.96
  4. Step 4: Simplify right side
    1,752.48x = 1,193,401.83
  5. Step 5: Solve for x
    x = 1,193,401.83/1,752.48
  6. Step 6: Final answer
    x = 680.98

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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.