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Finding the Fourth Proportional to 33,292.76, 49,930.02 and 9,918.59

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Solution

The fourth proportional to 33,292.76, 49,930.02 and 9,918.59 is: 14,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,292.76 : 49,930.02 = 9,918.59 : x
  2. Step 2: Convert to fraction form
    33,292.76/49,930.02 = 9,918.59/x
  3. Step 3: Cross multiply
    33,292.76x = 49,930.02 × 9,918.59
  4. Step 4: Simplify right side
    33,292.76x = 495,235,147.42
  5. Step 5: Solve for x
    x = 495,235,147.42/33,292.76
  6. Step 6: Final answer
    x = 14,875.16

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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.