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Finding the Fourth Proportional to 8,051,694.70, 11,287,302.50 and 8,051,694.70

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Solution

The fourth proportional to 8,051,694.70, 11,287,302.50 and 8,051,694.70 is: 11,287,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051,694.70 : 11,287,302.50 = 8,051,694.70 : x
  2. Step 2: Convert to fraction form
    8,051,694.70/11,287,302.50 = 8,051,694.70/x
  3. Step 3: Cross multiply
    8,051,694.70x = 11,287,302.50 × 8,051,694.70
  4. Step 4: Simplify right side
    8,051,694.70x = 90,881,913,716,546.75
  5. Step 5: Solve for x
    x = 90,881,913,716,546.75/8,051,694.70
  6. Step 6: Final answer
    x = 11,287,302.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.