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Finding the Fourth Proportional to 60,066.86, 90,102.48 and 20,623.74

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Solution

The fourth proportional to 60,066.86, 90,102.48 and 20,623.74 is: 30,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,066.86 : 90,102.48 = 20,623.74 : x
  2. Step 2: Convert to fraction form
    60,066.86/90,102.48 = 20,623.74/x
  3. Step 3: Cross multiply
    60,066.86x = 90,102.48 × 20,623.74
  4. Step 4: Simplify right side
    60,066.86x = 1,858,250,120.88
  5. Step 5: Solve for x
    x = 1,858,250,120.88/60,066.86
  6. Step 6: Final answer
    x = 30,936.36

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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.