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Finding the Fourth Proportional to 11,204,579.61, 15,462,978.84 and 6,854,499.72

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Solution

The fourth proportional to 11,204,579.61, 15,462,978.84 and 6,854,499.72 is: 9,459,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204,579.61 : 15,462,978.84 = 6,854,499.72 : x
  2. Step 2: Convert to fraction form
    11,204,579.61/15,462,978.84 = 6,854,499.72/x
  3. Step 3: Cross multiply
    11,204,579.61x = 15,462,978.84 × 6,854,499.72
  4. Step 4: Simplify right side
    11,204,579.61x = 105,990,984,129,145.92
  5. Step 5: Solve for x
    x = 105,990,984,129,145.92/11,204,579.61
  6. Step 6: Final answer
    x = 9,459,612.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.