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Finding the Fourth Proportional to 53,494.83, 80,250.35 and 21,921.84

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Solution

The fourth proportional to 53,494.83, 80,250.35 and 21,921.84 is: 32,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,494.83 : 80,250.35 = 21,921.84 : x
  2. Step 2: Convert to fraction form
    53,494.83/80,250.35 = 21,921.84/x
  3. Step 3: Cross multiply
    53,494.83x = 80,250.35 × 21,921.84
  4. Step 4: Simplify right side
    53,494.83x = 1,759,235,223.03
  5. Step 5: Solve for x
    x = 1,759,235,223.03/53,494.83
  6. Step 6: Final answer
    x = 32,886.08

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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.