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Finding the Fourth Proportional to 63,269.40, 94,874.88 and 18,884.64

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Solution

The fourth proportional to 63,269.40, 94,874.88 and 18,884.64 is: 28,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,269.40 : 94,874.88 = 18,884.64 : x
  2. Step 2: Convert to fraction form
    63,269.40/94,874.88 = 18,884.64/x
  3. Step 3: Cross multiply
    63,269.40x = 94,874.88 × 18,884.64
  4. Step 4: Simplify right side
    63,269.40x = 1,791,677,953.84
  5. Step 5: Solve for x
    x = 1,791,677,953.84/63,269.40
  6. Step 6: Final answer
    x = 28,318.24

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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.