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Finding the Fourth Proportional to 63,253.48, 94,884.72 and 18,876.64

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Solution

The fourth proportional to 63,253.48, 94,884.72 and 18,876.64 is: 28,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,253.48 : 94,884.72 = 18,876.64 : x
  2. Step 2: Convert to fraction form
    63,253.48/94,884.72 = 18,876.64/x
  3. Step 3: Cross multiply
    63,253.48x = 94,884.72 × 18,876.64
  4. Step 4: Simplify right side
    63,253.48x = 1,791,104,700.94
  5. Step 5: Solve for x
    x = 1,791,104,700.94/63,253.48
  6. Step 6: Final answer
    x = 28,316.30

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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.