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Finding the Fourth Proportional to 40,846.70, 61,269.82 and 15,904.10

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Solution

The fourth proportional to 40,846.70, 61,269.82 and 15,904.10 is: 23,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,846.70 : 61,269.82 = 15,904.10 : x
  2. Step 2: Convert to fraction form
    40,846.70/61,269.82 = 15,904.10/x
  3. Step 3: Cross multiply
    40,846.70x = 61,269.82 × 15,904.10
  4. Step 4: Simplify right side
    40,846.70x = 974,441,344.26
  5. Step 5: Solve for x
    x = 974,441,344.26/40,846.70
  6. Step 6: Final answer
    x = 23,856.06

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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.