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Finding the Fourth Proportional to 15,693.99, 23,529.11 and 7,799.73

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Solution

The fourth proportional to 15,693.99, 23,529.11 and 7,799.73 is: 11,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.99 : 23,529.11 = 7,799.73 : x
  2. Step 2: Convert to fraction form
    15,693.99/23,529.11 = 7,799.73/x
  3. Step 3: Cross multiply
    15,693.99x = 23,529.11 × 7,799.73
  4. Step 4: Simplify right side
    15,693.99x = 183,520,666.14
  5. Step 5: Solve for x
    x = 183,520,666.14/15,693.99
  6. Step 6: Final answer
    x = 11,693.69

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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.