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Finding the Fourth Proportional to 17,803.71, 26,705.19 and 5,323.77

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Solution

The fourth proportional to 17,803.71, 26,705.19 and 5,323.77 is: 7,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.71 : 26,705.19 = 5,323.77 : x
  2. Step 2: Convert to fraction form
    17,803.71/26,705.19 = 5,323.77/x
  3. Step 3: Cross multiply
    17,803.71x = 26,705.19 × 5,323.77
  4. Step 4: Simplify right side
    17,803.71x = 142,172,289.37
  5. Step 5: Solve for x
    x = 142,172,289.37/17,803.71
  6. Step 6: Final answer
    x = 7,985.54

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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.