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Finding the Fourth Proportional to 8,516,596.57, 12,774,895.36 and 6,802,715.48

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Solution

The fourth proportional to 8,516,596.57, 12,774,895.36 and 6,802,715.48 is: 10,204,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,596.57 : 12,774,895.36 = 6,802,715.48 : x
  2. Step 2: Convert to fraction form
    8,516,596.57/12,774,895.36 = 6,802,715.48/x
  3. Step 3: Cross multiply
    8,516,596.57x = 12,774,895.36 × 6,802,715.48
  4. Step 4: Simplify right side
    8,516,596.57x = 86,903,978,339,970.91
  5. Step 5: Solve for x
    x = 86,903,978,339,970.91/8,516,596.57
  6. Step 6: Final answer
    x = 10,204,073.62

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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.