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Finding the Fourth Proportional to 17,757,640.60, 26,636,460.90 and 9,254,584.60

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Solution

The fourth proportional to 17,757,640.60, 26,636,460.90 and 9,254,584.60 is: 13,881,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757,640.60 : 26,636,460.90 = 9,254,584.60 : x
  2. Step 2: Convert to fraction form
    17,757,640.60/26,636,460.90 = 9,254,584.60/x
  3. Step 3: Cross multiply
    17,757,640.60x = 26,636,460.90 × 9,254,584.60
  4. Step 4: Simplify right side
    17,757,640.60x = 246,509,380,843,642.12
  5. Step 5: Solve for x
    x = 246,509,380,843,642.12/17,757,640.60
  6. Step 6: Final answer
    x = 13,881,876.90

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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.