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Finding the Fourth Proportional to 2,029.46, 3,043.91 and 875.06

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Solution

The fourth proportional to 2,029.46, 3,043.91 and 875.06 is: 1,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.46 : 3,043.91 = 875.06 : x
  2. Step 2: Convert to fraction form
    2,029.46/3,043.91 = 875.06/x
  3. Step 3: Cross multiply
    2,029.46x = 3,043.91 × 875.06
  4. Step 4: Simplify right side
    2,029.46x = 2,663,603.88
  5. Step 5: Solve for x
    x = 2,663,603.88/2,029.46
  6. Step 6: Final answer
    x = 1,312.47

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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.