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Finding the Fourth Proportional to 40,048.83, 60,081.84 and 11,971.08

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Solution

The fourth proportional to 40,048.83, 60,081.84 and 11,971.08 is: 17,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.83 : 60,081.84 = 11,971.08 : x
  2. Step 2: Convert to fraction form
    40,048.83/60,081.84 = 11,971.08/x
  3. Step 3: Cross multiply
    40,048.83x = 60,081.84 × 11,971.08
  4. Step 4: Simplify right side
    40,048.83x = 719,244,513.19
  5. Step 5: Solve for x
    x = 719,244,513.19/40,048.83
  6. Step 6: Final answer
    x = 17,959.19

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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.