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Finding the Fourth Proportional to 6,903.56, 10,355.12 and 2,223.84

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Solution

The fourth proportional to 6,903.56, 10,355.12 and 2,223.84 is: 3,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.56 : 10,355.12 = 2,223.84 : x
  2. Step 2: Convert to fraction form
    6,903.56/10,355.12 = 2,223.84/x
  3. Step 3: Cross multiply
    6,903.56x = 10,355.12 × 2,223.84
  4. Step 4: Simplify right side
    6,903.56x = 23,028,101.61
  5. Step 5: Solve for x
    x = 23,028,101.61/6,903.56
  6. Step 6: Final answer
    x = 3,335.68

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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.