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Finding the Fourth Proportional to 3,132.76, 4,703.75 and 1,748.80

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Solution

The fourth proportional to 3,132.76, 4,703.75 and 1,748.80 is: 2,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.76 : 4,703.75 = 1,748.80 : x
  2. Step 2: Convert to fraction form
    3,132.76/4,703.75 = 1,748.80/x
  3. Step 3: Cross multiply
    3,132.76x = 4,703.75 × 1,748.80
  4. Step 4: Simplify right side
    3,132.76x = 8,225,918
  5. Step 5: Solve for x
    x = 8,225,918/3,132.76
  6. Step 6: Final answer
    x = 2,625.77

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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.