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Finding the Fourth Proportional to 60,353.86, 90,678.39 and 56,996.80

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Solution

The fourth proportional to 60,353.86, 90,678.39 and 56,996.80 is: 85,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,353.86 : 90,678.39 = 56,996.80 : x
  2. Step 2: Convert to fraction form
    60,353.86/90,678.39 = 56,996.80/x
  3. Step 3: Cross multiply
    60,353.86x = 90,678.39 × 56,996.80
  4. Step 4: Simplify right side
    60,353.86x = 5,168,378,059.15
  5. Step 5: Solve for x
    x = 5,168,378,059.15/60,353.86
  6. Step 6: Final answer
    x = 85,634.59

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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.