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Finding the Fourth Proportional to 9,679,855.84, 14,519,788.44 and 3,993,830.80

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Solution

The fourth proportional to 9,679,855.84, 14,519,788.44 and 3,993,830.80 is: 5,990,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679,855.84 : 14,519,788.44 = 3,993,830.80 : x
  2. Step 2: Convert to fraction form
    9,679,855.84/14,519,788.44 = 3,993,830.80/x
  3. Step 3: Cross multiply
    9,679,855.84x = 14,519,788.44 × 3,993,830.80
  4. Step 4: Simplify right side
    9,679,855.84x = 57,989,578,281,155.95
  5. Step 5: Solve for x
    x = 57,989,578,281,155.95/9,679,855.84
  6. Step 6: Final answer
    x = 5,990,748.13

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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.