Home / 54,850.02-82,275.02-19,789.66

Finding the Fourth Proportional to 54,850.02, 82,275.02 and 19,789.66

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Solution

The fourth proportional to 54,850.02, 82,275.02 and 19,789.66 is: 29,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,850.02 : 82,275.02 = 19,789.66 : x
  2. Step 2: Convert to fraction form
    54,850.02/82,275.02 = 19,789.66/x
  3. Step 3: Cross multiply
    54,850.02x = 82,275.02 × 19,789.66
  4. Step 4: Simplify right side
    54,850.02x = 1,628,194,672.29
  5. Step 5: Solve for x
    x = 1,628,194,672.29/54,850.02
  6. Step 6: Final answer
    x = 29,684.49

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Double scale
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Similar ratio
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1.5x scale

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.