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Finding the Fourth Proportional to 8,889.31, 13,333.42 and 3,695.23

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Solution

The fourth proportional to 8,889.31, 13,333.42 and 3,695.23 is: 5,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.31 : 13,333.42 = 3,695.23 : x
  2. Step 2: Convert to fraction form
    8,889.31/13,333.42 = 3,695.23/x
  3. Step 3: Cross multiply
    8,889.31x = 13,333.42 × 3,695.23
  4. Step 4: Simplify right side
    8,889.31x = 49,270,053.59
  5. Step 5: Solve for x
    x = 49,270,053.59/8,889.31
  6. Step 6: Final answer
    x = 5,542.62

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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.