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Finding the Fourth Proportional to 48,406.72, 66,800.16 and 26,895.28

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Solution

The fourth proportional to 48,406.72, 66,800.16 and 26,895.28 is: 37,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406.72 : 66,800.16 = 26,895.28 : x
  2. Step 2: Convert to fraction form
    48,406.72/66,800.16 = 26,895.28/x
  3. Step 3: Cross multiply
    48,406.72x = 66,800.16 × 26,895.28
  4. Step 4: Simplify right side
    48,406.72x = 1,796,609,007.24
  5. Step 5: Solve for x
    x = 1,796,609,007.24/48,406.72
  6. Step 6: Final answer
    x = 37,114.87

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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.