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Finding the Fourth Proportional to 29,609.84, 40,863.99 and 16,867.01

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Solution

The fourth proportional to 29,609.84, 40,863.99 and 16,867.01 is: 23,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609.84 : 40,863.99 = 16,867.01 : x
  2. Step 2: Convert to fraction form
    29,609.84/40,863.99 = 16,867.01/x
  3. Step 3: Cross multiply
    29,609.84x = 40,863.99 × 16,867.01
  4. Step 4: Simplify right side
    29,609.84x = 689,253,123.65
  5. Step 5: Solve for x
    x = 689,253,123.65/29,609.84
  6. Step 6: Final answer
    x = 23,277.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.