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Finding the Fourth Proportional to 68,698.82, 103,018.50 and 23,724.92

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Solution

The fourth proportional to 68,698.82, 103,018.50 and 23,724.92 is: 35,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,698.82 : 103,018.50 = 23,724.92 : x
  2. Step 2: Convert to fraction form
    68,698.82/103,018.50 = 23,724.92/x
  3. Step 3: Cross multiply
    68,698.82x = 103,018.50 × 23,724.92
  4. Step 4: Simplify right side
    68,698.82x = 2,444,105,671.02
  5. Step 5: Solve for x
    x = 2,444,105,671.02/68,698.82
  6. Step 6: Final answer
    x = 35,577.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.