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Finding the Fourth Proportional to 63,057.88, 94,600.67 and 18,688.11

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Solution

The fourth proportional to 63,057.88, 94,600.67 and 18,688.11 is: 28,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,057.88 : 94,600.67 = 18,688.11 : x
  2. Step 2: Convert to fraction form
    63,057.88/94,600.67 = 18,688.11/x
  3. Step 3: Cross multiply
    63,057.88x = 94,600.67 × 18,688.11
  4. Step 4: Simplify right side
    63,057.88x = 1,767,907,727.03
  5. Step 5: Solve for x
    x = 1,767,907,727.03/63,057.88
  6. Step 6: Final answer
    x = 28,036.27

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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.