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Finding the Fourth Proportional to 54,275.32, 74,936.49 and 33,888.42

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Solution

The fourth proportional to 54,275.32, 74,936.49 and 33,888.42 is: 46,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.32 : 74,936.49 = 33,888.42 : x
  2. Step 2: Convert to fraction form
    54,275.32/74,936.49 = 33,888.42/x
  3. Step 3: Cross multiply
    54,275.32x = 74,936.49 × 33,888.42
  4. Step 4: Simplify right side
    54,275.32x = 2,539,479,246.45
  5. Step 5: Solve for x
    x = 2,539,479,246.45/54,275.32
  6. Step 6: Final answer
    x = 46,788.84

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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.