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Finding the Fourth Proportional to 68,378.76, 102,613.96 and 24,005.64

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Solution

The fourth proportional to 68,378.76, 102,613.96 and 24,005.64 is: 36,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,378.76 : 102,613.96 = 24,005.64 : x
  2. Step 2: Convert to fraction form
    68,378.76/102,613.96 = 24,005.64/x
  3. Step 3: Cross multiply
    68,378.76x = 102,613.96 × 24,005.64
  4. Step 4: Simplify right side
    68,378.76x = 2,463,313,782.73
  5. Step 5: Solve for x
    x = 2,463,313,782.73/68,378.76
  6. Step 6: Final answer
    x = 36,024.55

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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.