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Finding the Fourth Proportional to 55,252.69, 82,937.01 and 48,967.78

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Solution

The fourth proportional to 55,252.69, 82,937.01 and 48,967.78 is: 73,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.69 : 82,937.01 = 48,967.78 : x
  2. Step 2: Convert to fraction form
    55,252.69/82,937.01 = 48,967.78/x
  3. Step 3: Cross multiply
    55,252.69x = 82,937.01 × 48,967.78
  4. Step 4: Simplify right side
    55,252.69x = 4,061,240,600.01
  5. Step 5: Solve for x
    x = 4,061,240,600.01/55,252.69
  6. Step 6: Final answer
    x = 73,503.05

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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.