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Finding the Fourth Proportional to 22,019,971.60, 33,029,957.40 and 17,485,008.40

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Solution

The fourth proportional to 22,019,971.60, 33,029,957.40 and 17,485,008.40 is: 26,227,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,971.60 : 33,029,957.40 = 17,485,008.40 : x
  2. Step 2: Convert to fraction form
    22,019,971.60/33,029,957.40 = 17,485,008.40/x
  3. Step 3: Cross multiply
    22,019,971.60x = 33,029,957.40 × 17,485,008.40
  4. Step 4: Simplify right side
    22,019,971.60x = 577,529,082,590,642.12
  5. Step 5: Solve for x
    x = 577,529,082,590,642.12/22,019,971.60
  6. Step 6: Final answer
    x = 26,227,512.60

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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.