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Finding the Fourth Proportional to 45,201.65, 67,794.72 and 11,922.04

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Solution

The fourth proportional to 45,201.65, 67,794.72 and 11,922.04 is: 17,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.65 : 67,794.72 = 11,922.04 : x
  2. Step 2: Convert to fraction form
    45,201.65/67,794.72 = 11,922.04/x
  3. Step 3: Cross multiply
    45,201.65x = 67,794.72 × 11,922.04
  4. Step 4: Simplify right side
    45,201.65x = 808,251,089.38
  5. Step 5: Solve for x
    x = 808,251,089.38/45,201.65
  6. Step 6: Final answer
    x = 17,881.01

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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.