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Finding the Fourth Proportional to 16,641.12, 22,955.22 and 11,862.12

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Solution

The fourth proportional to 16,641.12, 22,955.22 and 11,862.12 is: 16,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.12 : 22,955.22 = 11,862.12 : x
  2. Step 2: Convert to fraction form
    16,641.12/22,955.22 = 11,862.12/x
  3. Step 3: Cross multiply
    16,641.12x = 22,955.22 × 11,862.12
  4. Step 4: Simplify right side
    16,641.12x = 272,297,574.27
  5. Step 5: Solve for x
    x = 272,297,574.27/16,641.12
  6. Step 6: Final answer
    x = 16,362.94

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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.