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Finding the Fourth Proportional to 7,838,797.03, 11,758,313.72 and 2,721,389.42

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Solution

The fourth proportional to 7,838,797.03, 11,758,313.72 and 2,721,389.42 is: 4,082,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,797.03 : 11,758,313.72 = 2,721,389.42 : x
  2. Step 2: Convert to fraction form
    7,838,797.03/11,758,313.72 = 2,721,389.42/x
  3. Step 3: Cross multiply
    7,838,797.03x = 11,758,313.72 × 2,721,389.42
  4. Step 4: Simplify right side
    7,838,797.03x = 31,998,950,554,648.84
  5. Step 5: Solve for x
    x = 31,998,950,554,648.84/7,838,797.03
  6. Step 6: Final answer
    x = 4,082,125.16

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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.