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Finding the Fourth Proportional to 15,994.73, 23,980.24 and 7,666.82

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Solution

The fourth proportional to 15,994.73, 23,980.24 and 7,666.82 is: 11,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.73 : 23,980.24 = 7,666.82 : x
  2. Step 2: Convert to fraction form
    15,994.73/23,980.24 = 7,666.82/x
  3. Step 3: Cross multiply
    15,994.73x = 23,980.24 × 7,666.82
  4. Step 4: Simplify right side
    15,994.73x = 183,852,183.64
  5. Step 5: Solve for x
    x = 183,852,183.64/15,994.73
  6. Step 6: Final answer
    x = 11,494.55

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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.