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Finding the Fourth Proportional to 8,662,984.02, 11,949,687.81 and 5,564,464.29

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Solution

The fourth proportional to 8,662,984.02, 11,949,687.81 and 5,564,464.29 is: 7,675,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,984.02 : 11,949,687.81 = 5,564,464.29 : x
  2. Step 2: Convert to fraction form
    8,662,984.02/11,949,687.81 = 5,564,464.29/x
  3. Step 3: Cross multiply
    8,662,984.02x = 11,949,687.81 × 5,564,464.29
  4. Step 4: Simplify right side
    8,662,984.02x = 66,493,611,095,393.30
  5. Step 5: Solve for x
    x = 66,493,611,095,393.30/8,662,984.02
  6. Step 6: Final answer
    x = 7,675,601.26

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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.