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Finding the Fourth Proportional to 1,750.76, 2,625.68 and 710.46

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Solution

The fourth proportional to 1,750.76, 2,625.68 and 710.46 is: 1,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.76 : 2,625.68 = 710.46 : x
  2. Step 2: Convert to fraction form
    1,750.76/2,625.68 = 710.46/x
  3. Step 3: Cross multiply
    1,750.76x = 2,625.68 × 710.46
  4. Step 4: Simplify right side
    1,750.76x = 1,865,440.61
  5. Step 5: Solve for x
    x = 1,865,440.61/1,750.76
  6. Step 6: Final answer
    x = 1,065.50

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1.5x scale

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.