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Finding the Fourth Proportional to 60,059.88, 90,102.51 and 17,943.21

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Solution

The fourth proportional to 60,059.88, 90,102.51 and 17,943.21 is: 26,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,059.88 : 90,102.51 = 17,943.21 : x
  2. Step 2: Convert to fraction form
    60,059.88/90,102.51 = 17,943.21/x
  3. Step 3: Cross multiply
    60,059.88x = 90,102.51 × 17,943.21
  4. Step 4: Simplify right side
    60,059.88x = 1,616,728,258.46
  5. Step 5: Solve for x
    x = 1,616,728,258.46/60,059.88
  6. Step 6: Final answer
    x = 26,918.61

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1.5x scale

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.