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Finding the Fourth Proportional to 2,041.95, 3,062.98 and 581.12

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Solution

The fourth proportional to 2,041.95, 3,062.98 and 581.12 is: 871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.95 : 3,062.98 = 581.12 : x
  2. Step 2: Convert to fraction form
    2,041.95/3,062.98 = 581.12/x
  3. Step 3: Cross multiply
    2,041.95x = 3,062.98 × 581.12
  4. Step 4: Simplify right side
    2,041.95x = 1,779,955.84
  5. Step 5: Solve for x
    x = 1,779,955.84/2,041.95
  6. Step 6: Final answer
    x = 871.69

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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.