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Finding the Fourth Proportional to 2,357.91, 3,537.77 and 714.47

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Solution

The fourth proportional to 2,357.91, 3,537.77 and 714.47 is: 1,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.91 : 3,537.77 = 714.47 : x
  2. Step 2: Convert to fraction form
    2,357.91/3,537.77 = 714.47/x
  3. Step 3: Cross multiply
    2,357.91x = 3,537.77 × 714.47
  4. Step 4: Simplify right side
    2,357.91x = 2,527,611.06
  5. Step 5: Solve for x
    x = 2,527,611.06/2,357.91
  6. Step 6: Final answer
    x = 1,071.97

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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.