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Finding the Fourth Proportional to 22,441.51, 30,971.12 and 12,370.88

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Solution

The fourth proportional to 22,441.51, 30,971.12 and 12,370.88 is: 17,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,441.51 : 30,971.12 = 12,370.88 : x
  2. Step 2: Convert to fraction form
    22,441.51/30,971.12 = 12,370.88/x
  3. Step 3: Cross multiply
    22,441.51x = 30,971.12 × 12,370.88
  4. Step 4: Simplify right side
    22,441.51x = 383,140,008.99
  5. Step 5: Solve for x
    x = 383,140,008.99/22,441.51
  6. Step 6: Final answer
    x = 17,072.83

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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.