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Finding the Fourth Proportional to 22,160.60, 30,592.90 and 17,113.50

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Solution

The fourth proportional to 22,160.60, 30,592.90 and 17,113.50 is: 23,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.60 : 30,592.90 = 17,113.50 : x
  2. Step 2: Convert to fraction form
    22,160.60/30,592.90 = 17,113.50/x
  3. Step 3: Cross multiply
    22,160.60x = 30,592.90 × 17,113.50
  4. Step 4: Simplify right side
    22,160.60x = 523,551,594.15
  5. Step 5: Solve for x
    x = 523,551,594.15/22,160.60
  6. Step 6: Final answer
    x = 23,625.33

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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.