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Finding the Fourth Proportional to 68,343.15, 102,515.40 and 23,970.97

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Solution

The fourth proportional to 68,343.15, 102,515.40 and 23,970.97 is: 35,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.15 : 102,515.40 = 23,970.97 : x
  2. Step 2: Convert to fraction form
    68,343.15/102,515.40 = 23,970.97/x
  3. Step 3: Cross multiply
    68,343.15x = 102,515.40 × 23,970.97
  4. Step 4: Simplify right side
    68,343.15x = 2,457,393,577.94
  5. Step 5: Solve for x
    x = 2,457,393,577.94/68,343.15
  6. Step 6: Final answer
    x = 35,956.69

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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.