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Finding the Fourth Proportional to 10,679,813.88, 16,019,821.26 and 2,592,860.58

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Solution

The fourth proportional to 10,679,813.88, 16,019,821.26 and 2,592,860.58 is: 3,889,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679,813.88 : 16,019,821.26 = 2,592,860.58 : x
  2. Step 2: Convert to fraction form
    10,679,813.88/16,019,821.26 = 2,592,860.58/x
  3. Step 3: Cross multiply
    10,679,813.88x = 16,019,821.26 × 2,592,860.58
  4. Step 4: Simplify right side
    10,679,813.88x = 41,537,163,043,699.93
  5. Step 5: Solve for x
    x = 41,537,163,043,699.93/10,679,813.88
  6. Step 6: Final answer
    x = 3,889,315.25

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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.