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Finding the Fourth Proportional to 6,658,666.64, 9,988,069.15 and 2,340,837.68

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Solution

The fourth proportional to 6,658,666.64, 9,988,069.15 and 2,340,837.68 is: 3,511,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658,666.64 : 9,988,069.15 = 2,340,837.68 : x
  2. Step 2: Convert to fraction form
    6,658,666.64/9,988,069.15 = 2,340,837.68/x
  3. Step 3: Cross multiply
    6,658,666.64x = 9,988,069.15 × 2,340,837.68
  4. Step 4: Simplify right side
    6,658,666.64x = 23,380,448,627,578.84
  5. Step 5: Solve for x
    x = 23,380,448,627,578.84/6,658,666.64
  6. Step 6: Final answer
    x = 3,511,280.85

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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.