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Finding the Fourth Proportional to 63,930.42, 95,900.01 and 21,799.50

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Solution

The fourth proportional to 63,930.42, 95,900.01 and 21,799.50 is: 32,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,930.42 : 95,900.01 = 21,799.50 : x
  2. Step 2: Convert to fraction form
    63,930.42/95,900.01 = 21,799.50/x
  3. Step 3: Cross multiply
    63,930.42x = 95,900.01 × 21,799.50
  4. Step 4: Simplify right side
    63,930.42x = 2,090,572,268.00
  5. Step 5: Solve for x
    x = 2,090,572,268.00/63,930.42
  6. Step 6: Final answer
    x = 32,700.74

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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.