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Finding the Fourth Proportional to 68,048.30, 93,908.22 and 37,832.48

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Solution

The fourth proportional to 68,048.30, 93,908.22 and 37,832.48 is: 52,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,048.30 : 93,908.22 = 37,832.48 : x
  2. Step 2: Convert to fraction form
    68,048.30/93,908.22 = 37,832.48/x
  3. Step 3: Cross multiply
    68,048.30x = 93,908.22 × 37,832.48
  4. Step 4: Simplify right side
    68,048.30x = 3,552,780,854.99
  5. Step 5: Solve for x
    x = 3,552,780,854.99/68,048.30
  6. Step 6: Final answer
    x = 52,209.69

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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.