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Finding the Fourth Proportional to 22,922.40, 34,383.60 and 7,341.60

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Solution

The fourth proportional to 22,922.40, 34,383.60 and 7,341.60 is: 11,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,922.40 : 34,383.60 = 7,341.60 : x
  2. Step 2: Convert to fraction form
    22,922.40/34,383.60 = 7,341.60/x
  3. Step 3: Cross multiply
    22,922.40x = 34,383.60 × 7,341.60
  4. Step 4: Simplify right side
    22,922.40x = 252,430,637.76
  5. Step 5: Solve for x
    x = 252,430,637.76/22,922.40
  6. Step 6: Final answer
    x = 11,012.40

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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.