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Finding the Fourth Proportional to 7,667.52, 11,498.40 and 2,472

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Solution

The fourth proportional to 7,667.52, 11,498.40 and 2,472 is: 3,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667.52 : 11,498.40 = 2,472 : x
  2. Step 2: Convert to fraction form
    7,667.52/11,498.40 = 2,472/x
  3. Step 3: Cross multiply
    7,667.52x = 11,498.40 × 2,472
  4. Step 4: Simplify right side
    7,667.52x = 28,424,044.80
  5. Step 5: Solve for x
    x = 28,424,044.80/7,667.52
  6. Step 6: Final answer
    x = 3,707.07

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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.