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Finding the Fourth Proportional to 8,809.29, 13,185.86 and 4,901.85

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Solution

The fourth proportional to 8,809.29, 13,185.86 and 4,901.85 is: 7,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.29 : 13,185.86 = 4,901.85 : x
  2. Step 2: Convert to fraction form
    8,809.29/13,185.86 = 4,901.85/x
  3. Step 3: Cross multiply
    8,809.29x = 13,185.86 × 4,901.85
  4. Step 4: Simplify right side
    8,809.29x = 64,635,083.33
  5. Step 5: Solve for x
    x = 64,635,083.33/8,809.29
  6. Step 6: Final answer
    x = 7,337.15

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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.