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Finding the Fourth Proportional to 2,332.50, 3,218.74 and 1,337.68

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Solution

The fourth proportional to 2,332.50, 3,218.74 and 1,337.68 is: 1,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.50 : 3,218.74 = 1,337.68 : x
  2. Step 2: Convert to fraction form
    2,332.50/3,218.74 = 1,337.68/x
  3. Step 3: Cross multiply
    2,332.50x = 3,218.74 × 1,337.68
  4. Step 4: Simplify right side
    2,332.50x = 4,305,644.12
  5. Step 5: Solve for x
    x = 4,305,644.12/2,332.50
  6. Step 6: Final answer
    x = 1,845.94

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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.