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Finding the Fourth Proportional to 4,537.08, 6,759.99 and 4,239

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Solution

The fourth proportional to 4,537.08, 6,759.99 and 4,239 is: 6,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,537.08 : 6,759.99 = 4,239 : x
  2. Step 2: Convert to fraction form
    4,537.08/6,759.99 = 4,239/x
  3. Step 3: Cross multiply
    4,537.08x = 6,759.99 × 4,239
  4. Step 4: Simplify right side
    4,537.08x = 28,655,597.61
  5. Step 5: Solve for x
    x = 28,655,597.61/4,537.08
  6. Step 6: Final answer
    x = 6,315.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.