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Finding the Fourth Proportional to 7,958.66, 11,929.68 and 4,443.51

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Solution

The fourth proportional to 7,958.66, 11,929.68 and 4,443.51 is: 6,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.66 : 11,929.68 = 4,443.51 : x
  2. Step 2: Convert to fraction form
    7,958.66/11,929.68 = 4,443.51/x
  3. Step 3: Cross multiply
    7,958.66x = 11,929.68 × 4,443.51
  4. Step 4: Simplify right side
    7,958.66x = 53,009,652.38
  5. Step 5: Solve for x
    x = 53,009,652.38/7,958.66
  6. Step 6: Final answer
    x = 6,660.63

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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.