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Finding the Fourth Proportional to 22,340.51, 30,824.40 and 12,650.12

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Solution

The fourth proportional to 22,340.51, 30,824.40 and 12,650.12 is: 17,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.51 : 30,824.40 = 12,650.12 : x
  2. Step 2: Convert to fraction form
    22,340.51/30,824.40 = 12,650.12/x
  3. Step 3: Cross multiply
    22,340.51x = 30,824.40 × 12,650.12
  4. Step 4: Simplify right side
    22,340.51x = 389,932,470.07
  5. Step 5: Solve for x
    x = 389,932,470.07/22,340.51
  6. Step 6: Final answer
    x = 17,454.06

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Double scale
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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.