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Finding the Fourth Proportional to 3,152.76, 4,350.78 and 1,826.44

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Solution

The fourth proportional to 3,152.76, 4,350.78 and 1,826.44 is: 2,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.76 : 4,350.78 = 1,826.44 : x
  2. Step 2: Convert to fraction form
    3,152.76/4,350.78 = 1,826.44/x
  3. Step 3: Cross multiply
    3,152.76x = 4,350.78 × 1,826.44
  4. Step 4: Simplify right side
    3,152.76x = 7,946,407.74
  5. Step 5: Solve for x
    x = 7,946,407.74/3,152.76
  6. Step 6: Final answer
    x = 2,520.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.