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Finding the Fourth Proportional to 8,769.06, 13,156.02 and 7,216.29

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Solution

The fourth proportional to 8,769.06, 13,156.02 and 7,216.29 is: 10,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.06 : 13,156.02 = 7,216.29 : x
  2. Step 2: Convert to fraction form
    8,769.06/13,156.02 = 7,216.29/x
  3. Step 3: Cross multiply
    8,769.06x = 13,156.02 × 7,216.29
  4. Step 4: Simplify right side
    8,769.06x = 94,937,655.57
  5. Step 5: Solve for x
    x = 94,937,655.57/8,769.06
  6. Step 6: Final answer
    x = 10,826.43

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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.