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Finding the Fourth Proportional to 16,734,402.40, 25,105,102.80 and 5,375,999.20

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Solution

The fourth proportional to 16,734,402.40, 25,105,102.80 and 5,375,999.20 is: 8,065,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,734,402.40 : 25,105,102.80 = 5,375,999.20 : x
  2. Step 2: Convert to fraction form
    16,734,402.40/25,105,102.80 = 5,375,999.20/x
  3. Step 3: Cross multiply
    16,734,402.40x = 25,105,102.80 × 5,375,999.20
  4. Step 4: Simplify right side
    16,734,402.40x = 134,965,012,568,717.77
  5. Step 5: Solve for x
    x = 134,965,012,568,717.77/16,734,402.40
  6. Step 6: Final answer
    x = 8,065,122.93

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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.