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Finding the Fourth Proportional to 5,343.27, 7,373.78 and 2,985.14

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Solution

The fourth proportional to 5,343.27, 7,373.78 and 2,985.14 is: 4,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.27 : 7,373.78 = 2,985.14 : x
  2. Step 2: Convert to fraction form
    5,343.27/7,373.78 = 2,985.14/x
  3. Step 3: Cross multiply
    5,343.27x = 7,373.78 × 2,985.14
  4. Step 4: Simplify right side
    5,343.27x = 22,011,713.83
  5. Step 5: Solve for x
    x = 22,011,713.83/5,343.27
  6. Step 6: Final answer
    x = 4,119.52

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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.