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Finding the Fourth Proportional to 2,031.17, 3,046.74 and 570.32

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Solution

The fourth proportional to 2,031.17, 3,046.74 and 570.32 is: 855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.17 : 3,046.74 = 570.32 : x
  2. Step 2: Convert to fraction form
    2,031.17/3,046.74 = 570.32/x
  3. Step 3: Cross multiply
    2,031.17x = 3,046.74 × 570.32
  4. Step 4: Simplify right side
    2,031.17x = 1,737,631.16
  5. Step 5: Solve for x
    x = 1,737,631.16/2,031.17
  6. Step 6: Final answer
    x = 855.48

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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.