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Finding the Fourth Proportional to 2,695.41, 4,043.18 and 747.63

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Solution

The fourth proportional to 2,695.41, 4,043.18 and 747.63 is: 1,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.41 : 4,043.18 = 747.63 : x
  2. Step 2: Convert to fraction form
    2,695.41/4,043.18 = 747.63/x
  3. Step 3: Cross multiply
    2,695.41x = 4,043.18 × 747.63
  4. Step 4: Simplify right side
    2,695.41x = 3,022,798.93
  5. Step 5: Solve for x
    x = 3,022,798.93/2,695.41
  6. Step 6: Final answer
    x = 1,121.46

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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.