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Finding the Fourth Proportional to 41,203.39, 61,784.61 and 13,119.78

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Solution

The fourth proportional to 41,203.39, 61,784.61 and 13,119.78 is: 19,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,203.39 : 61,784.61 = 13,119.78 : x
  2. Step 2: Convert to fraction form
    41,203.39/61,784.61 = 13,119.78/x
  3. Step 3: Cross multiply
    41,203.39x = 61,784.61 × 13,119.78
  4. Step 4: Simplify right side
    41,203.39x = 810,600,214.46
  5. Step 5: Solve for x
    x = 810,600,214.46/41,203.39
  6. Step 6: Final answer
    x = 19,673.14

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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.