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Finding the Fourth Proportional to 8,892.19, 13,342.38 and 3,965.05

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Solution

The fourth proportional to 8,892.19, 13,342.38 and 3,965.05 is: 5,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.19 : 13,342.38 = 3,965.05 : x
  2. Step 2: Convert to fraction form
    8,892.19/13,342.38 = 3,965.05/x
  3. Step 3: Cross multiply
    8,892.19x = 13,342.38 × 3,965.05
  4. Step 4: Simplify right side
    8,892.19x = 52,903,203.82
  5. Step 5: Solve for x
    x = 52,903,203.82/8,892.19
  6. Step 6: Final answer
    x = 5,949.40

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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.