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Finding the Fourth Proportional to 15,190.63, 22,788.22 and 5,328.17

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Solution

The fourth proportional to 15,190.63, 22,788.22 and 5,328.17 is: 7,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.63 : 22,788.22 = 5,328.17 : x
  2. Step 2: Convert to fraction form
    15,190.63/22,788.22 = 5,328.17/x
  3. Step 3: Cross multiply
    15,190.63x = 22,788.22 × 5,328.17
  4. Step 4: Simplify right side
    15,190.63x = 121,419,510.16
  5. Step 5: Solve for x
    x = 121,419,510.16/15,190.63
  6. Step 6: Final answer
    x = 7,993.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.