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Finding the Fourth Proportional to 48,498.94, 66,927.90 and 27,278.20

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Solution

The fourth proportional to 48,498.94, 66,927.90 and 27,278.20 is: 37,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498.94 : 66,927.90 = 27,278.20 : x
  2. Step 2: Convert to fraction form
    48,498.94/66,927.90 = 27,278.20/x
  3. Step 3: Cross multiply
    48,498.94x = 66,927.90 × 27,278.20
  4. Step 4: Simplify right side
    48,498.94x = 1,825,672,641.78
  5. Step 5: Solve for x
    x = 1,825,672,641.78/48,498.94
  6. Step 6: Final answer
    x = 37,643.56

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1.5x scale

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.