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Finding the Fourth Proportional to 60,137.73, 90,221.16 and 18,017.73

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Solution

The fourth proportional to 60,137.73, 90,221.16 and 18,017.73 is: 27,030.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,137.73 : 90,221.16 = 18,017.73 : x
  2. Step 2: Convert to fraction form
    60,137.73/90,221.16 = 18,017.73/x
  3. Step 3: Cross multiply
    60,137.73x = 90,221.16 × 18,017.73
  4. Step 4: Simplify right side
    60,137.73x = 1,625,580,501.17
  5. Step 5: Solve for x
    x = 1,625,580,501.17/60,137.73
  6. Step 6: Final answer
    x = 27,030.96

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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.