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Finding the Fourth Proportional to 2,041.64, 3,062.91 and 580.91

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Solution

The fourth proportional to 2,041.64, 3,062.91 and 580.91 is: 871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.64 : 3,062.91 = 580.91 : x
  2. Step 2: Convert to fraction form
    2,041.64/3,062.91 = 580.91/x
  3. Step 3: Cross multiply
    2,041.64x = 3,062.91 × 580.91
  4. Step 4: Simplify right side
    2,041.64x = 1,779,261.91
  5. Step 5: Solve for x
    x = 1,779,261.91/2,041.64
  6. Step 6: Final answer
    x = 871.49

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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.