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Finding the Fourth Proportional to 17,607,364.60, 26,411,046.90 and 15,171,921.40

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Solution

The fourth proportional to 17,607,364.60, 26,411,046.90 and 15,171,921.40 is: 22,757,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607,364.60 : 26,411,046.90 = 15,171,921.40 : x
  2. Step 2: Convert to fraction form
    17,607,364.60/26,411,046.90 = 15,171,921.40/x
  3. Step 3: Cross multiply
    17,607,364.60x = 26,411,046.90 × 15,171,921.40
  4. Step 4: Simplify right side
    17,607,364.60x = 400,706,327,658,513.62
  5. Step 5: Solve for x
    x = 400,706,327,658,513.62/17,607,364.60
  6. Step 6: Final answer
    x = 22,757,882.10

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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.