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Finding the Fourth Proportional to 1,714.82, 2,572.66 and 482.23

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Solution

The fourth proportional to 1,714.82, 2,572.66 and 482.23 is: 723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.82 : 2,572.66 = 482.23 : x
  2. Step 2: Convert to fraction form
    1,714.82/2,572.66 = 482.23/x
  3. Step 3: Cross multiply
    1,714.82x = 2,572.66 × 482.23
  4. Step 4: Simplify right side
    1,714.82x = 1,240,613.83
  5. Step 5: Solve for x
    x = 1,240,613.83/1,714.82
  6. Step 6: Final answer
    x = 723.47

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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.