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Finding the Fourth Proportional to 57,970.71, 86,942.07 and 15,850.98

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Solution

The fourth proportional to 57,970.71, 86,942.07 and 15,850.98 is: 23,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970.71 : 86,942.07 = 15,850.98 : x
  2. Step 2: Convert to fraction form
    57,970.71/86,942.07 = 15,850.98/x
  3. Step 3: Cross multiply
    57,970.71x = 86,942.07 × 15,850.98
  4. Step 4: Simplify right side
    57,970.71x = 1,378,117,012.73
  5. Step 5: Solve for x
    x = 1,378,117,012.73/57,970.71
  6. Step 6: Final answer
    x = 23,772.64

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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.