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Finding the Fourth Proportional to 63,103.95, 94,656.72 and 20,984.01

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Solution

The fourth proportional to 63,103.95, 94,656.72 and 20,984.01 is: 31,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,103.95 : 94,656.72 = 20,984.01 : x
  2. Step 2: Convert to fraction form
    63,103.95/94,656.72 = 20,984.01/x
  3. Step 3: Cross multiply
    63,103.95x = 94,656.72 × 20,984.01
  4. Step 4: Simplify right side
    63,103.95x = 1,986,277,559.05
  5. Step 5: Solve for x
    x = 1,986,277,559.05/63,103.95
  6. Step 6: Final answer
    x = 31,476.28

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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.