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Finding the Fourth Proportional to 19,796,603.40, 29,694,905.10 and 17,403,150.60

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Solution

The fourth proportional to 19,796,603.40, 29,694,905.10 and 17,403,150.60 is: 26,104,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796,603.40 : 29,694,905.10 = 17,403,150.60 : x
  2. Step 2: Convert to fraction form
    19,796,603.40/29,694,905.10 = 17,403,150.60/x
  3. Step 3: Cross multiply
    19,796,603.40x = 29,694,905.10 × 17,403,150.60
  4. Step 4: Simplify right side
    19,796,603.40x = 516,784,905,508,008.12
  5. Step 5: Solve for x
    x = 516,784,905,508,008.12/19,796,603.40
  6. Step 6: Final answer
    x = 26,104,725.90

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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.