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Finding the Fourth Proportional to 48,681.72, 67,179.87 and 27,460.98

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Solution

The fourth proportional to 48,681.72, 67,179.87 and 27,460.98 is: 37,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,681.72 : 67,179.87 = 27,460.98 : x
  2. Step 2: Convert to fraction form
    48,681.72/67,179.87 = 27,460.98/x
  3. Step 3: Cross multiply
    48,681.72x = 67,179.87 × 27,460.98
  4. Step 4: Simplify right side
    48,681.72x = 1,844,825,066.47
  5. Step 5: Solve for x
    x = 1,844,825,066.47/48,681.72
  6. Step 6: Final answer
    x = 37,895.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.