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Finding the Fourth Proportional to 2,041.80, 3,062.16 and 581.06

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Solution

The fourth proportional to 2,041.80, 3,062.16 and 581.06 is: 871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.80 : 3,062.16 = 581.06 : x
  2. Step 2: Convert to fraction form
    2,041.80/3,062.16 = 581.06/x
  3. Step 3: Cross multiply
    2,041.80x = 3,062.16 × 581.06
  4. Step 4: Simplify right side
    2,041.80x = 1,779,283.38
  5. Step 5: Solve for x
    x = 1,779,283.38/2,041.80
  6. Step 6: Final answer
    x = 871.43

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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.