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Finding the Fourth Proportional to 15,944,606.40, 23,920,408.80 and 5,162,404.80

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Solution

The fourth proportional to 15,944,606.40, 23,920,408.80 and 5,162,404.80 is: 7,744,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944,606.40 : 23,920,408.80 = 5,162,404.80 : x
  2. Step 2: Convert to fraction form
    15,944,606.40/23,920,408.80 = 5,162,404.80/x
  3. Step 3: Cross multiply
    15,944,606.40x = 23,920,408.80 × 5,162,404.80
  4. Step 4: Simplify right side
    15,944,606.40x = 123,486,833,207,082.23
  5. Step 5: Solve for x
    x = 123,486,833,207,082.23/15,944,606.40
  6. Step 6: Final answer
    x = 7,744,740.14

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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.