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Finding the Fourth Proportional to 8,093,114.70, 12,139,672.05 and 7,719,866.70

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Solution

The fourth proportional to 8,093,114.70, 12,139,672.05 and 7,719,866.70 is: 11,579,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,114.70 : 12,139,672.05 = 7,719,866.70 : x
  2. Step 2: Convert to fraction form
    8,093,114.70/12,139,672.05 = 7,719,866.70/x
  3. Step 3: Cross multiply
    8,093,114.70x = 12,139,672.05 × 7,719,866.70
  4. Step 4: Simplify right side
    8,093,114.70x = 93,716,650,007,715.75
  5. Step 5: Solve for x
    x = 93,716,650,007,715.75/8,093,114.70
  6. Step 6: Final answer
    x = 11,579,800.05

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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.