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Finding the Fourth Proportional to 44,481.66, 66,719.61 and 16,778.94

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Solution

The fourth proportional to 44,481.66, 66,719.61 and 16,778.94 is: 25,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,481.66 : 66,719.61 = 16,778.94 : x
  2. Step 2: Convert to fraction form
    44,481.66/66,719.61 = 16,778.94/x
  3. Step 3: Cross multiply
    44,481.66x = 66,719.61 × 16,778.94
  4. Step 4: Simplify right side
    44,481.66x = 1,119,484,333.01
  5. Step 5: Solve for x
    x = 1,119,484,333.01/44,481.66
  6. Step 6: Final answer
    x = 25,167.32

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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.