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Finding the Fourth Proportional to 68,020.54, 93,863.80 and 37,803.90

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Solution

The fourth proportional to 68,020.54, 93,863.80 and 37,803.90 is: 52,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,020.54 : 93,863.80 = 37,803.90 : x
  2. Step 2: Convert to fraction form
    68,020.54/93,863.80 = 37,803.90/x
  3. Step 3: Cross multiply
    68,020.54x = 93,863.80 × 37,803.90
  4. Step 4: Simplify right side
    68,020.54x = 3,548,417,708.82
  5. Step 5: Solve for x
    x = 3,548,417,708.82/68,020.54
  6. Step 6: Final answer
    x = 52,166.86

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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.