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Finding the Fourth Proportional to 48,488.84, 66,915 and 27,267.92

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Solution

The fourth proportional to 48,488.84, 66,915 and 27,267.92 is: 37,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,488.84 : 66,915 = 27,267.92 : x
  2. Step 2: Convert to fraction form
    48,488.84/66,915 = 27,267.92/x
  3. Step 3: Cross multiply
    48,488.84x = 66,915 × 27,267.92
  4. Step 4: Simplify right side
    48,488.84x = 1,824,632,866.80
  5. Step 5: Solve for x
    x = 1,824,632,866.80/48,488.84
  6. Step 6: Final answer
    x = 37,629.95

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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.