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Finding the Fourth Proportional to 17,572.77, 26,359.05 and 7,047.48

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Solution

The fourth proportional to 17,572.77, 26,359.05 and 7,047.48 is: 10,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.77 : 26,359.05 = 7,047.48 : x
  2. Step 2: Convert to fraction form
    17,572.77/26,359.05 = 7,047.48/x
  3. Step 3: Cross multiply
    17,572.77x = 26,359.05 × 7,047.48
  4. Step 4: Simplify right side
    17,572.77x = 185,764,877.69
  5. Step 5: Solve for x
    x = 185,764,877.69/17,572.77
  6. Step 6: Final answer
    x = 10,571.18

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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.