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Finding the Fourth Proportional to 48,981, 67,599.48 and 27,476.68

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Solution

The fourth proportional to 48,981, 67,599.48 and 27,476.68 is: 37,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,981 : 67,599.48 = 27,476.68 : x
  2. Step 2: Convert to fraction form
    48,981/67,599.48 = 27,476.68/x
  3. Step 3: Cross multiply
    48,981x = 67,599.48 × 27,476.68
  4. Step 4: Simplify right side
    48,981x = 1,857,409,280.13
  5. Step 5: Solve for x
    x = 1,857,409,280.13/48,981
  6. Step 6: Final answer
    x = 37,921.02

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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.