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Finding the Fourth Proportional to 7,910.29, 10,917.29 and 4,553.05

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Solution

The fourth proportional to 7,910.29, 10,917.29 and 4,553.05 is: 6,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.29 : 10,917.29 = 4,553.05 : x
  2. Step 2: Convert to fraction form
    7,910.29/10,917.29 = 4,553.05/x
  3. Step 3: Cross multiply
    7,910.29x = 10,917.29 × 4,553.05
  4. Step 4: Simplify right side
    7,910.29x = 49,706,967.23
  5. Step 5: Solve for x
    x = 49,706,967.23/7,910.29
  6. Step 6: Final answer
    x = 6,283.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.