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Finding the Fourth Proportional to 8,909.76, 13,362.03 and 2,669.52

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Solution

The fourth proportional to 8,909.76, 13,362.03 and 2,669.52 is: 4,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.76 : 13,362.03 = 2,669.52 : x
  2. Step 2: Convert to fraction form
    8,909.76/13,362.03 = 2,669.52/x
  3. Step 3: Cross multiply
    8,909.76x = 13,362.03 × 2,669.52
  4. Step 4: Simplify right side
    8,909.76x = 35,670,206.33
  5. Step 5: Solve for x
    x = 35,670,206.33/8,909.76
  6. Step 6: Final answer
    x = 4,003.50

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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.