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Finding the Fourth Proportional to 8,803.77, 13,205.72 and 2,960.29

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Solution

The fourth proportional to 8,803.77, 13,205.72 and 2,960.29 is: 4,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.77 : 13,205.72 = 2,960.29 : x
  2. Step 2: Convert to fraction form
    8,803.77/13,205.72 = 2,960.29/x
  3. Step 3: Cross multiply
    8,803.77x = 13,205.72 × 2,960.29
  4. Step 4: Simplify right side
    8,803.77x = 39,092,768.12
  5. Step 5: Solve for x
    x = 39,092,768.12/8,803.77
  6. Step 6: Final answer
    x = 4,440.46

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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.