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Finding the Fourth Proportional to 63,000.80, 94,501.20 and 21,447.80

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Solution

The fourth proportional to 63,000.80, 94,501.20 and 21,447.80 is: 32,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,000.80 : 94,501.20 = 21,447.80 : x
  2. Step 2: Convert to fraction form
    63,000.80/94,501.20 = 21,447.80/x
  3. Step 3: Cross multiply
    63,000.80x = 94,501.20 × 21,447.80
  4. Step 4: Simplify right side
    63,000.80x = 2,026,842,837.36
  5. Step 5: Solve for x
    x = 2,026,842,837.36/63,000.80
  6. Step 6: Final answer
    x = 32,171.70

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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.