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Finding the Fourth Proportional to 6,605,382.06, 9,907,985.34 and 1,813,072.14

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Solution

The fourth proportional to 6,605,382.06, 9,907,985.34 and 1,813,072.14 is: 2,719,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,382.06 : 9,907,985.34 = 1,813,072.14 : x
  2. Step 2: Convert to fraction form
    6,605,382.06/9,907,985.34 = 1,813,072.14/x
  3. Step 3: Cross multiply
    6,605,382.06x = 9,907,985.34 × 1,813,072.14
  4. Step 4: Simplify right side
    6,605,382.06x = 17,963,892,183,482.43
  5. Step 5: Solve for x
    x = 17,963,892,183,482.43/6,605,382.06
  6. Step 6: Final answer
    x = 2,719,584.12

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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.