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Finding the Fourth Proportional to 1,962.52, 2,704.98 and 1,262.68

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Solution

The fourth proportional to 1,962.52, 2,704.98 and 1,262.68 is: 1,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.52 : 2,704.98 = 1,262.68 : x
  2. Step 2: Convert to fraction form
    1,962.52/2,704.98 = 1,262.68/x
  3. Step 3: Cross multiply
    1,962.52x = 2,704.98 × 1,262.68
  4. Step 4: Simplify right side
    1,962.52x = 3,415,524.15
  5. Step 5: Solve for x
    x = 3,415,524.15/1,962.52
  6. Step 6: Final answer
    x = 1,740.38

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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.