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Finding the Fourth Proportional to 5,391,885.31, 8,087,899.46 and 1,797,653.41

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Solution

The fourth proportional to 5,391,885.31, 8,087,899.46 and 1,797,653.41 is: 2,696,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,885.31 : 8,087,899.46 = 1,797,653.41 : x
  2. Step 2: Convert to fraction form
    5,391,885.31/8,087,899.46 = 1,797,653.41/x
  3. Step 3: Cross multiply
    5,391,885.31x = 8,087,899.46 × 1,797,653.41
  4. Step 4: Simplify right side
    5,391,885.31x = 14,539,240,028,280.54
  5. Step 5: Solve for x
    x = 14,539,240,028,280.54/5,391,885.31
  6. Step 6: Final answer
    x = 2,696,503.95

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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.