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Finding the Fourth Proportional to 48,409.98, 66,805.61 and 26,899.64

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Solution

The fourth proportional to 48,409.98, 66,805.61 and 26,899.64 is: 37,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.98 : 66,805.61 = 26,899.64 : x
  2. Step 2: Convert to fraction form
    48,409.98/66,805.61 = 26,899.64/x
  3. Step 3: Cross multiply
    48,409.98x = 66,805.61 × 26,899.64
  4. Step 4: Simplify right side
    48,409.98x = 1,797,046,592.20
  5. Step 5: Solve for x
    x = 1,797,046,592.20/48,409.98
  6. Step 6: Final answer
    x = 37,121.41

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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.