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Finding the Fourth Proportional to 1,750.08, 2,625.21 and 709.92

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Solution

The fourth proportional to 1,750.08, 2,625.21 and 709.92 is: 1,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.08 : 2,625.21 = 709.92 : x
  2. Step 2: Convert to fraction form
    1,750.08/2,625.21 = 709.92/x
  3. Step 3: Cross multiply
    1,750.08x = 2,625.21 × 709.92
  4. Step 4: Simplify right side
    1,750.08x = 1,863,698.93
  5. Step 5: Solve for x
    x = 1,863,698.93/1,750.08
  6. Step 6: Final answer
    x = 1,064.92

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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.