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Finding the Fourth Proportional to 8,892.11, 13,335.29 and 4,945.25

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Solution

The fourth proportional to 8,892.11, 13,335.29 and 4,945.25 is: 7,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.11 : 13,335.29 = 4,945.25 : x
  2. Step 2: Convert to fraction form
    8,892.11/13,335.29 = 4,945.25/x
  3. Step 3: Cross multiply
    8,892.11x = 13,335.29 × 4,945.25
  4. Step 4: Simplify right side
    8,892.11x = 65,946,288.56
  5. Step 5: Solve for x
    x = 65,946,288.56/8,892.11
  6. Step 6: Final answer
    x = 7,416.27

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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.