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Finding the Fourth Proportional to 63,259.11, 94,905.18 and 18,885.87

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Solution

The fourth proportional to 63,259.11, 94,905.18 and 18,885.87 is: 28,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,259.11 : 94,905.18 = 18,885.87 : x
  2. Step 2: Convert to fraction form
    63,259.11/94,905.18 = 18,885.87/x
  3. Step 3: Cross multiply
    63,259.11x = 94,905.18 × 18,885.87
  4. Step 4: Simplify right side
    63,259.11x = 1,792,366,891.81
  5. Step 5: Solve for x
    x = 1,792,366,891.81/63,259.11
  6. Step 6: Final answer
    x = 28,333.74

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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.