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Finding the Fourth Proportional to 38,812.54, 58,226.22 and 12,510.22

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Solution

The fourth proportional to 38,812.54, 58,226.22 and 12,510.22 is: 18,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,812.54 : 58,226.22 = 12,510.22 : x
  2. Step 2: Convert to fraction form
    38,812.54/58,226.22 = 12,510.22/x
  3. Step 3: Cross multiply
    38,812.54x = 58,226.22 × 12,510.22
  4. Step 4: Simplify right side
    38,812.54x = 728,422,821.97
  5. Step 5: Solve for x
    x = 728,422,821.97/38,812.54
  6. Step 6: Final answer
    x = 18,767.72

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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.