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Finding the Fourth Proportional to 1,337.96, 1,846.90 and 895.70

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Solution

The fourth proportional to 1,337.96, 1,846.90 and 895.70 is: 1,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.96 : 1,846.90 = 895.70 : x
  2. Step 2: Convert to fraction form
    1,337.96/1,846.90 = 895.70/x
  3. Step 3: Cross multiply
    1,337.96x = 1,846.90 × 895.70
  4. Step 4: Simplify right side
    1,337.96x = 1,654,268.33
  5. Step 5: Solve for x
    x = 1,654,268.33/1,337.96
  6. Step 6: Final answer
    x = 1,236.41

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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.