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Finding the Fourth Proportional to 8,903.32, 13,355.34 and 3,972.04

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Solution

The fourth proportional to 8,903.32, 13,355.34 and 3,972.04 is: 5,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.32 : 13,355.34 = 3,972.04 : x
  2. Step 2: Convert to fraction form
    8,903.32/13,355.34 = 3,972.04/x
  3. Step 3: Cross multiply
    8,903.32x = 13,355.34 × 3,972.04
  4. Step 4: Simplify right side
    8,903.32x = 53,047,944.69
  5. Step 5: Solve for x
    x = 53,047,944.69/8,903.32
  6. Step 6: Final answer
    x = 5,958.22

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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.