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Finding the Fourth Proportional to 7,992,004.65, 11,988,006.98 and 7,259,797.05

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Solution

The fourth proportional to 7,992,004.65, 11,988,006.98 and 7,259,797.05 is: 10,889,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,004.65 : 11,988,006.98 = 7,259,797.05 : x
  2. Step 2: Convert to fraction form
    7,992,004.65/11,988,006.98 = 7,259,797.05/x
  3. Step 3: Cross multiply
    7,992,004.65x = 11,988,006.98 × 7,259,797.05
  4. Step 4: Simplify right side
    7,992,004.65x = 87,030,497,672,484.42
  5. Step 5: Solve for x
    x = 87,030,497,672,484.42/7,992,004.65
  6. Step 6: Final answer
    x = 10,889,695.58

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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.