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Finding the Fourth Proportional to 2,962.68, 4,444.10 and 771.36

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Solution

The fourth proportional to 2,962.68, 4,444.10 and 771.36 is: 1,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.68 : 4,444.10 = 771.36 : x
  2. Step 2: Convert to fraction form
    2,962.68/4,444.10 = 771.36/x
  3. Step 3: Cross multiply
    2,962.68x = 4,444.10 × 771.36
  4. Step 4: Simplify right side
    2,962.68x = 3,428,000.98
  5. Step 5: Solve for x
    x = 3,428,000.98/2,962.68
  6. Step 6: Final answer
    x = 1,157.06

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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.