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Finding the Fourth Proportional to 48,480.30, 66,902.85 and 27,259.56

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Solution

The fourth proportional to 48,480.30, 66,902.85 and 27,259.56 is: 37,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,480.30 : 66,902.85 = 27,259.56 : x
  2. Step 2: Convert to fraction form
    48,480.30/66,902.85 = 27,259.56/x
  3. Step 3: Cross multiply
    48,480.30x = 66,902.85 × 27,259.56
  4. Step 4: Simplify right side
    48,480.30x = 1,823,742,253.75
  5. Step 5: Solve for x
    x = 1,823,742,253.75/48,480.30
  6. Step 6: Final answer
    x = 37,618.21

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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.