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Finding the Fourth Proportional to 22,224.95, 33,330.48 and 7,430.42

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Solution

The fourth proportional to 22,224.95, 33,330.48 and 7,430.42 is: 11,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.95 : 33,330.48 = 7,430.42 : x
  2. Step 2: Convert to fraction form
    22,224.95/33,330.48 = 7,430.42/x
  3. Step 3: Cross multiply
    22,224.95x = 33,330.48 × 7,430.42
  4. Step 4: Simplify right side
    22,224.95x = 247,659,298.55
  5. Step 5: Solve for x
    x = 247,659,298.55/22,224.95
  6. Step 6: Final answer
    x = 11,143.30

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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.