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Finding the Fourth Proportional to 1,750.47, 2,625.70 and 710.27

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Solution

The fourth proportional to 1,750.47, 2,625.70 and 710.27 is: 1,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.47 : 2,625.70 = 710.27 : x
  2. Step 2: Convert to fraction form
    1,750.47/2,625.70 = 710.27/x
  3. Step 3: Cross multiply
    1,750.47x = 2,625.70 × 710.27
  4. Step 4: Simplify right side
    1,750.47x = 1,864,955.94
  5. Step 5: Solve for x
    x = 1,864,955.94/1,750.47
  6. Step 6: Final answer
    x = 1,065.40

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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.