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Finding the Fourth Proportional to 2,034.41, 3,051.90 and 647.27

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Solution

The fourth proportional to 2,034.41, 3,051.90 and 647.27 is: 971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.41 : 3,051.90 = 647.27 : x
  2. Step 2: Convert to fraction form
    2,034.41/3,051.90 = 647.27/x
  3. Step 3: Cross multiply
    2,034.41x = 3,051.90 × 647.27
  4. Step 4: Simplify right side
    2,034.41x = 1,975,403.31
  5. Step 5: Solve for x
    x = 1,975,403.31/2,034.41
  6. Step 6: Final answer
    x = 971.00

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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.