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Finding the Fourth Proportional to 32,658.70, 45,070.79 and 18,323.07

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Solution

The fourth proportional to 32,658.70, 45,070.79 and 18,323.07 is: 25,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,658.70 : 45,070.79 = 18,323.07 : x
  2. Step 2: Convert to fraction form
    32,658.70/45,070.79 = 18,323.07/x
  3. Step 3: Cross multiply
    32,658.70x = 45,070.79 × 18,323.07
  4. Step 4: Simplify right side
    32,658.70x = 825,835,240.13
  5. Step 5: Solve for x
    x = 825,835,240.13/32,658.70
  6. Step 6: Final answer
    x = 25,286.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.