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Finding the Fourth Proportional to 29,480.64, 44,220.96 and 17,160

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Solution

The fourth proportional to 29,480.64, 44,220.96 and 17,160 is: 25,740

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,480.64 : 44,220.96 = 17,160 : x
  2. Step 2: Convert to fraction form
    29,480.64/44,220.96 = 17,160/x
  3. Step 3: Cross multiply
    29,480.64x = 44,220.96 × 17,160
  4. Step 4: Simplify right side
    29,480.64x = 758,831,673.60
  5. Step 5: Solve for x
    x = 758,831,673.60/29,480.64
  6. Step 6: Final answer
    x = 25,740

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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.