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Finding the Fourth Proportional to 1,750.17, 2,625.74 and 709.93

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Solution

The fourth proportional to 1,750.17, 2,625.74 and 709.93 is: 1,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.17 : 2,625.74 = 709.93 : x
  2. Step 2: Convert to fraction form
    1,750.17/2,625.74 = 709.93/x
  3. Step 3: Cross multiply
    1,750.17x = 2,625.74 × 709.93
  4. Step 4: Simplify right side
    1,750.17x = 1,864,091.60
  5. Step 5: Solve for x
    x = 1,864,091.60/1,750.17
  6. Step 6: Final answer
    x = 1,065.09

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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.