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Finding the Fourth Proportional to 10,702,419.70, 16,079,843.95 and 8,048,211.70

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Solution

The fourth proportional to 10,702,419.70, 16,079,843.95 and 8,048,211.70 is: 12,092,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702,419.70 : 16,079,843.95 = 8,048,211.70 : x
  2. Step 2: Convert to fraction form
    10,702,419.70/16,079,843.95 = 8,048,211.70/x
  3. Step 3: Cross multiply
    10,702,419.70x = 16,079,843.95 × 8,048,211.70
  4. Step 4: Simplify right side
    10,702,419.70x = 129,413,988,212,564.22
  5. Step 5: Solve for x
    x = 129,413,988,212,564.22/10,702,419.70
  6. Step 6: Final answer
    x = 12,092,030.76

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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.