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Finding the Fourth Proportional to 6,653,246.65, 9,978,364.89 and 3,055,555.10

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Solution

The fourth proportional to 6,653,246.65, 9,978,364.89 and 3,055,555.10 is: 4,582,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,246.65 : 9,978,364.89 = 3,055,555.10 : x
  2. Step 2: Convert to fraction form
    6,653,246.65/9,978,364.89 = 3,055,555.10/x
  3. Step 3: Cross multiply
    6,653,246.65x = 9,978,364.89 × 3,055,555.10
  4. Step 4: Simplify right side
    6,653,246.65x = 30,489,443,754,246.35
  5. Step 5: Solve for x
    x = 30,489,443,754,246.35/6,653,246.65
  6. Step 6: Final answer
    x = 4,582,641.43

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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.