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Finding the Fourth Proportional to 68,311.71, 102,477.15 and 23,928.30

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Solution

The fourth proportional to 68,311.71, 102,477.15 and 23,928.30 is: 35,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,311.71 : 102,477.15 = 23,928.30 : x
  2. Step 2: Convert to fraction form
    68,311.71/102,477.15 = 23,928.30/x
  3. Step 3: Cross multiply
    68,311.71x = 102,477.15 × 23,928.30
  4. Step 4: Simplify right side
    68,311.71x = 2,452,103,988.35
  5. Step 5: Solve for x
    x = 2,452,103,988.35/68,311.71
  6. Step 6: Final answer
    x = 35,895.81

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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.