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Finding the Fourth Proportional to 11,054,652.30, 16,581,978.45 and 6,797,219.40

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Solution

The fourth proportional to 11,054,652.30, 16,581,978.45 and 6,797,219.40 is: 10,195,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054,652.30 : 16,581,978.45 = 6,797,219.40 : x
  2. Step 2: Convert to fraction form
    11,054,652.30/16,581,978.45 = 6,797,219.40/x
  3. Step 3: Cross multiply
    11,054,652.30x = 16,581,978.45 × 6,797,219.40
  4. Step 4: Simplify right side
    11,054,652.30x = 112,711,345,610,721.94
  5. Step 5: Solve for x
    x = 112,711,345,610,721.94/11,054,652.30
  6. Step 6: Final answer
    x = 10,195,829.10

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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.