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Finding the Fourth Proportional to 27,332.70, 40,999.05 and 16,835.10

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Solution

The fourth proportional to 27,332.70, 40,999.05 and 16,835.10 is: 25,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,332.70 : 40,999.05 = 16,835.10 : x
  2. Step 2: Convert to fraction form
    27,332.70/40,999.05 = 16,835.10/x
  3. Step 3: Cross multiply
    27,332.70x = 40,999.05 × 16,835.10
  4. Step 4: Simplify right side
    27,332.70x = 690,223,106.66
  5. Step 5: Solve for x
    x = 690,223,106.66/27,332.70
  6. Step 6: Final answer
    x = 25,252.65

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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.