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Finding the Fourth Proportional to 1,747.98, 2,412.36 and 962.19

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Solution

The fourth proportional to 1,747.98, 2,412.36 and 962.19 is: 1,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.98 : 2,412.36 = 962.19 : x
  2. Step 2: Convert to fraction form
    1,747.98/2,412.36 = 962.19/x
  3. Step 3: Cross multiply
    1,747.98x = 2,412.36 × 962.19
  4. Step 4: Simplify right side
    1,747.98x = 2,321,148.67
  5. Step 5: Solve for x
    x = 2,321,148.67/1,747.98
  6. Step 6: Final answer
    x = 1,327.90

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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.