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Finding the Fourth Proportional to 14,542,652.60, 21,813,978.90 and 4,954,844.60

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Solution

The fourth proportional to 14,542,652.60, 21,813,978.90 and 4,954,844.60 is: 7,432,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542,652.60 : 21,813,978.90 = 4,954,844.60 : x
  2. Step 2: Convert to fraction form
    14,542,652.60/21,813,978.90 = 4,954,844.60/x
  3. Step 3: Cross multiply
    14,542,652.60x = 21,813,978.90 × 4,954,844.60
  4. Step 4: Simplify right side
    14,542,652.60x = 108,084,875,557,178.92
  5. Step 5: Solve for x
    x = 108,084,875,557,178.92/14,542,652.60
  6. Step 6: Final answer
    x = 7,432,266.90

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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.