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Finding the Fourth Proportional to 8,339,566.66, 12,510,283.11 and 2,658,472.90

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Solution

The fourth proportional to 8,339,566.66, 12,510,283.11 and 2,658,472.90 is: 3,988,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339,566.66 : 12,510,283.11 = 2,658,472.90 : x
  2. Step 2: Convert to fraction form
    8,339,566.66/12,510,283.11 = 2,658,472.90/x
  3. Step 3: Cross multiply
    8,339,566.66x = 12,510,283.11 × 2,658,472.90
  4. Step 4: Simplify right side
    8,339,566.66x = 33,258,248,619,262.71
  5. Step 5: Solve for x
    x = 33,258,248,619,262.71/8,339,566.66
  6. Step 6: Final answer
    x = 3,988,006.81

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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.