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Finding the Fourth Proportional to 63,089.94, 94,620.32 and 18,705.99

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Solution

The fourth proportional to 63,089.94, 94,620.32 and 18,705.99 is: 28,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,089.94 : 94,620.32 = 18,705.99 : x
  2. Step 2: Convert to fraction form
    63,089.94/94,620.32 = 18,705.99/x
  3. Step 3: Cross multiply
    63,089.94x = 94,620.32 × 18,705.99
  4. Step 4: Simplify right side
    63,089.94x = 1,769,966,759.72
  5. Step 5: Solve for x
    x = 1,769,966,759.72/63,089.94
  6. Step 6: Final answer
    x = 28,054.66

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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.