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Finding the Fourth Proportional to 48,379.52, 66,763.73 and 27,158.77

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Solution

The fourth proportional to 48,379.52, 66,763.73 and 27,158.77 is: 37,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,379.52 : 66,763.73 = 27,158.77 : x
  2. Step 2: Convert to fraction form
    48,379.52/66,763.73 = 27,158.77/x
  3. Step 3: Cross multiply
    48,379.52x = 66,763.73 × 27,158.77
  4. Step 4: Simplify right side
    48,379.52x = 1,813,220,688.40
  5. Step 5: Solve for x
    x = 1,813,220,688.40/48,379.52
  6. Step 6: Final answer
    x = 37,479.09

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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.