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Finding the Fourth Proportional to 63,043.76, 94,579.47 and 18,673.98

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Solution

The fourth proportional to 63,043.76, 94,579.47 and 18,673.98 is: 28,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,043.76 : 94,579.47 = 18,673.98 : x
  2. Step 2: Convert to fraction form
    63,043.76/94,579.47 = 18,673.98/x
  3. Step 3: Cross multiply
    63,043.76x = 94,579.47 × 18,673.98
  4. Step 4: Simplify right side
    63,043.76x = 1,766,175,131.19
  5. Step 5: Solve for x
    x = 1,766,175,131.19/63,043.76
  6. Step 6: Final answer
    x = 28,015.07

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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.