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Finding the Fourth Proportional to 1,752.04, 2,628.06 and 725.96

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Solution

The fourth proportional to 1,752.04, 2,628.06 and 725.96 is: 1,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.04 : 2,628.06 = 725.96 : x
  2. Step 2: Convert to fraction form
    1,752.04/2,628.06 = 725.96/x
  3. Step 3: Cross multiply
    1,752.04x = 2,628.06 × 725.96
  4. Step 4: Simplify right side
    1,752.04x = 1,907,866.44
  5. Step 5: Solve for x
    x = 1,907,866.44/1,752.04
  6. Step 6: Final answer
    x = 1,088.94

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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.