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Finding the Fourth Proportional to 60,605.25, 90,917.73 and 17,915.01

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Solution

The fourth proportional to 60,605.25, 90,917.73 and 17,915.01 is: 26,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,605.25 : 90,917.73 = 17,915.01 : x
  2. Step 2: Convert to fraction form
    60,605.25/90,917.73 = 17,915.01/x
  3. Step 3: Cross multiply
    60,605.25x = 90,917.73 × 17,915.01
  4. Step 4: Simplify right side
    60,605.25x = 1,628,792,042.13
  5. Step 5: Solve for x
    x = 1,628,792,042.13/60,605.25
  6. Step 6: Final answer
    x = 26,875.43

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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.