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Finding the Fourth Proportional to 22,390.48, 33,575.48 and 8,340.56

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Solution

The fourth proportional to 22,390.48, 33,575.48 and 8,340.56 is: 12,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.48 : 33,575.48 = 8,340.56 : x
  2. Step 2: Convert to fraction form
    22,390.48/33,575.48 = 8,340.56/x
  3. Step 3: Cross multiply
    22,390.48x = 33,575.48 × 8,340.56
  4. Step 4: Simplify right side
    22,390.48x = 280,038,305.47
  5. Step 5: Solve for x
    x = 280,038,305.47/22,390.48
  6. Step 6: Final answer
    x = 12,507.03

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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.