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Finding the Fourth Proportional to 22,316.66, 30,772.94 and 16,948.99

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Solution

The fourth proportional to 22,316.66, 30,772.94 and 16,948.99 is: 23,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.66 : 30,772.94 = 16,948.99 : x
  2. Step 2: Convert to fraction form
    22,316.66/30,772.94 = 16,948.99/x
  3. Step 3: Cross multiply
    22,316.66x = 30,772.94 × 16,948.99
  4. Step 4: Simplify right side
    22,316.66x = 521,570,252.33
  5. Step 5: Solve for x
    x = 521,570,252.33/22,316.66
  6. Step 6: Final answer
    x = 23,371.34

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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.