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Finding the Fourth Proportional to 63,046.80, 94,563.80 and 21,493.20

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Solution

The fourth proportional to 63,046.80, 94,563.80 and 21,493.20 is: 32,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,046.80 : 94,563.80 = 21,493.20 : x
  2. Step 2: Convert to fraction form
    63,046.80/94,563.80 = 21,493.20/x
  3. Step 3: Cross multiply
    63,046.80x = 94,563.80 × 21,493.20
  4. Step 4: Simplify right side
    63,046.80x = 2,032,478,666.16
  5. Step 5: Solve for x
    x = 2,032,478,666.16/63,046.80
  6. Step 6: Final answer
    x = 32,237.62

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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.