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Finding the Fourth Proportional to 22,041.60, 33,066.58 and 7,254.78

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Solution

The fourth proportional to 22,041.60, 33,066.58 and 7,254.78 is: 10,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.60 : 33,066.58 = 7,254.78 : x
  2. Step 2: Convert to fraction form
    22,041.60/33,066.58 = 7,254.78/x
  3. Step 3: Cross multiply
    22,041.60x = 33,066.58 × 7,254.78
  4. Step 4: Simplify right side
    22,041.60x = 239,890,763.25
  5. Step 5: Solve for x
    x = 239,890,763.25/22,041.60
  6. Step 6: Final answer
    x = 10,883.55

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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.