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Finding the Fourth Proportional to 15,970.58, 23,964.07 and 7,091.99

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Solution

The fourth proportional to 15,970.58, 23,964.07 and 7,091.99 is: 10,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.58 : 23,964.07 = 7,091.99 : x
  2. Step 2: Convert to fraction form
    15,970.58/23,964.07 = 7,091.99/x
  3. Step 3: Cross multiply
    15,970.58x = 23,964.07 × 7,091.99
  4. Step 4: Simplify right side
    15,970.58x = 169,952,944.80
  5. Step 5: Solve for x
    x = 169,952,944.80/15,970.58
  6. Step 6: Final answer
    x = 10,641.63

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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.