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Finding the Fourth Proportional to 23,652,272.40, 35,478,408.60 and 21,101,355.60

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Solution

The fourth proportional to 23,652,272.40, 35,478,408.60 and 21,101,355.60 is: 31,652,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,652,272.40 : 35,478,408.60 = 21,101,355.60 : x
  2. Step 2: Convert to fraction form
    23,652,272.40/35,478,408.60 = 21,101,355.60/x
  3. Step 3: Cross multiply
    23,652,272.40x = 35,478,408.60 × 21,101,355.60
  4. Step 4: Simplify right side
    23,652,272.40x = 748,642,515,990,698.25
  5. Step 5: Solve for x
    x = 748,642,515,990,698.25/23,652,272.40
  6. Step 6: Final answer
    x = 31,652,033.40

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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.