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Finding the Fourth Proportional to 48,685, 67,185.81 and 27,176.77

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Solution

The fourth proportional to 48,685, 67,185.81 and 27,176.77 is: 37,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685 : 67,185.81 = 27,176.77 : x
  2. Step 2: Convert to fraction form
    48,685/67,185.81 = 27,176.77/x
  3. Step 3: Cross multiply
    48,685x = 67,185.81 × 27,176.77
  4. Step 4: Simplify right side
    48,685x = 1,825,893,305.63
  5. Step 5: Solve for x
    x = 1,825,893,305.63/48,685
  6. Step 6: Final answer
    x = 37,504.23

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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.