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Finding the Fourth Proportional to 2,041.27, 3,061.74 and 654.24

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Solution

The fourth proportional to 2,041.27, 3,061.74 and 654.24 is: 981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.27 : 3,061.74 = 654.24 : x
  2. Step 2: Convert to fraction form
    2,041.27/3,061.74 = 654.24/x
  3. Step 3: Cross multiply
    2,041.27x = 3,061.74 × 654.24
  4. Step 4: Simplify right side
    2,041.27x = 2,003,097.47
  5. Step 5: Solve for x
    x = 2,003,097.47/2,041.27
  6. Step 6: Final answer
    x = 981.30

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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.