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Finding the Fourth Proportional to 29,587.99, 40,835.30 and 16,838.70

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Solution

The fourth proportional to 29,587.99, 40,835.30 and 16,838.70 is: 23,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,587.99 : 40,835.30 = 16,838.70 : x
  2. Step 2: Convert to fraction form
    29,587.99/40,835.30 = 16,838.70/x
  3. Step 3: Cross multiply
    29,587.99x = 40,835.30 × 16,838.70
  4. Step 4: Simplify right side
    29,587.99x = 687,613,366.11
  5. Step 5: Solve for x
    x = 687,613,366.11/29,587.99
  6. Step 6: Final answer
    x = 23,239.61

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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.