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Finding the Fourth Proportional to 63,049, 94,509.72 and 40,876.48

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Solution

The fourth proportional to 63,049, 94,509.72 and 40,876.48 is: 61,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,049 : 94,509.72 = 40,876.48 : x
  2. Step 2: Convert to fraction form
    63,049/94,509.72 = 40,876.48/x
  3. Step 3: Cross multiply
    63,049x = 94,509.72 × 40,876.48
  4. Step 4: Simplify right side
    63,049x = 3,863,224,679.39
  5. Step 5: Solve for x
    x = 3,863,224,679.39/63,049
  6. Step 6: Final answer
    x = 61,273.37

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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.