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Finding the Fourth Proportional to 9,263.70, 12,769.04 and 7,270.90

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Solution

The fourth proportional to 9,263.70, 12,769.04 and 7,270.90 is: 10,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.70 : 12,769.04 = 7,270.90 : x
  2. Step 2: Convert to fraction form
    9,263.70/12,769.04 = 7,270.90/x
  3. Step 3: Cross multiply
    9,263.70x = 12,769.04 × 7,270.90
  4. Step 4: Simplify right side
    9,263.70x = 92,842,399.19
  5. Step 5: Solve for x
    x = 92,842,399.19/9,263.70
  6. Step 6: Final answer
    x = 10,022.17

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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.