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Finding the Fourth Proportional to 2,695.38, 4,043.07 and 846.63

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Solution

The fourth proportional to 2,695.38, 4,043.07 and 846.63 is: 1,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.38 : 4,043.07 = 846.63 : x
  2. Step 2: Convert to fraction form
    2,695.38/4,043.07 = 846.63/x
  3. Step 3: Cross multiply
    2,695.38x = 4,043.07 × 846.63
  4. Step 4: Simplify right side
    2,695.38x = 3,422,984.35
  5. Step 5: Solve for x
    x = 3,422,984.35/2,695.38
  6. Step 6: Final answer
    x = 1,269.95

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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.