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Finding the Fourth Proportional to 48,019.84, 66,256.80 and 27,865.04

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Solution

The fourth proportional to 48,019.84, 66,256.80 and 27,865.04 is: 38,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,019.84 : 66,256.80 = 27,865.04 : x
  2. Step 2: Convert to fraction form
    48,019.84/66,256.80 = 27,865.04/x
  3. Step 3: Cross multiply
    48,019.84x = 66,256.80 × 27,865.04
  4. Step 4: Simplify right side
    48,019.84x = 1,846,248,382.27
  5. Step 5: Solve for x
    x = 1,846,248,382.27/48,019.84
  6. Step 6: Final answer
    x = 38,447.62

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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.