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Finding the Fourth Proportional to 60,208.56, 90,312.84 and 18,093.15

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Solution

The fourth proportional to 60,208.56, 90,312.84 and 18,093.15 is: 27,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,208.56 : 90,312.84 = 18,093.15 : x
  2. Step 2: Convert to fraction form
    60,208.56/90,312.84 = 18,093.15/x
  3. Step 3: Cross multiply
    60,208.56x = 90,312.84 × 18,093.15
  4. Step 4: Simplify right side
    60,208.56x = 1,634,043,761.05
  5. Step 5: Solve for x
    x = 1,634,043,761.05/60,208.56
  6. Step 6: Final answer
    x = 27,139.73

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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.