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Finding the Fourth Proportional to 39,832.71, 54,967.06 and 21,924.22

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Solution

The fourth proportional to 39,832.71, 54,967.06 and 21,924.22 is: 30,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.71 : 54,967.06 = 21,924.22 : x
  2. Step 2: Convert to fraction form
    39,832.71/54,967.06 = 21,924.22/x
  3. Step 3: Cross multiply
    39,832.71x = 54,967.06 × 21,924.22
  4. Step 4: Simplify right side
    39,832.71x = 1,205,109,785.92
  5. Step 5: Solve for x
    x = 1,205,109,785.92/39,832.71
  6. Step 6: Final answer
    x = 30,254.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.