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Finding the Fourth Proportional to 48,069.54, 66,335.60 and 27,938.22

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Solution

The fourth proportional to 48,069.54, 66,335.60 and 27,938.22 is: 38,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,069.54 : 66,335.60 = 27,938.22 : x
  2. Step 2: Convert to fraction form
    48,069.54/66,335.60 = 27,938.22/x
  3. Step 3: Cross multiply
    48,069.54x = 66,335.60 × 27,938.22
  4. Step 4: Simplify right side
    48,069.54x = 1,853,298,586.63
  5. Step 5: Solve for x
    x = 1,853,298,586.63/48,069.54
  6. Step 6: Final answer
    x = 38,554.53

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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.