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Finding the Fourth Proportional to 54,618.08, 81,927.09 and 31,228.11

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Solution

The fourth proportional to 54,618.08, 81,927.09 and 31,228.11 is: 46,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.08 : 81,927.09 = 31,228.11 : x
  2. Step 2: Convert to fraction form
    54,618.08/81,927.09 = 31,228.11/x
  3. Step 3: Cross multiply
    54,618.08x = 81,927.09 × 31,228.11
  4. Step 4: Simplify right side
    54,618.08x = 2,558,428,178.50
  5. Step 5: Solve for x
    x = 2,558,428,178.50/54,618.08
  6. Step 6: Final answer
    x = 46,842.15

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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.