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Finding the Fourth Proportional to 70,594.93, 105,896.04 and 18,004.87

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Solution

The fourth proportional to 70,594.93, 105,896.04 and 18,004.87 is: 27,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,594.93 : 105,896.04 = 18,004.87 : x
  2. Step 2: Convert to fraction form
    70,594.93/105,896.04 = 18,004.87/x
  3. Step 3: Cross multiply
    70,594.93x = 105,896.04 × 18,004.87
  4. Step 4: Simplify right side
    70,594.93x = 1,906,644,433.71
  5. Step 5: Solve for x
    x = 1,906,644,433.71/70,594.93
  6. Step 6: Final answer
    x = 27,008.23

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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.