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Finding the Fourth Proportional to 11,640,603.55, 17,460,905.33 and 11,640,603.55

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Solution

The fourth proportional to 11,640,603.55, 17,460,905.33 and 11,640,603.55 is: 17,460,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640,603.55 : 17,460,905.33 = 11,640,603.55 : x
  2. Step 2: Convert to fraction form
    11,640,603.55/17,460,905.33 = 11,640,603.55/x
  3. Step 3: Cross multiply
    11,640,603.55x = 17,460,905.33 × 11,640,603.55
  4. Step 4: Simplify right side
    11,640,603.55x = 203,255,476,512,408.91
  5. Step 5: Solve for x
    x = 203,255,476,512,408.91/11,640,603.55
  6. Step 6: Final answer
    x = 17,460,905.33

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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.