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Finding the Fourth Proportional to 33,291.96, 49,937.42 and 9,918.39

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Solution

The fourth proportional to 33,291.96, 49,937.42 and 9,918.39 is: 14,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.96 : 49,937.42 = 9,918.39 : x
  2. Step 2: Convert to fraction form
    33,291.96/49,937.42 = 9,918.39/x
  3. Step 3: Cross multiply
    33,291.96x = 49,937.42 × 9,918.39
  4. Step 4: Simplify right side
    33,291.96x = 495,298,956.79
  5. Step 5: Solve for x
    x = 495,298,956.79/33,291.96
  6. Step 6: Final answer
    x = 14,877.44

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1.5x scale

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.