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Finding the Fourth Proportional to 60,366.57, 90,529.35 and 20,914.47

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Solution

The fourth proportional to 60,366.57, 90,529.35 and 20,914.47 is: 31,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,366.57 : 90,529.35 = 20,914.47 : x
  2. Step 2: Convert to fraction form
    60,366.57/90,529.35 = 20,914.47/x
  3. Step 3: Cross multiply
    60,366.57x = 90,529.35 × 20,914.47
  4. Step 4: Simplify right side
    60,366.57x = 1,893,373,296.27
  5. Step 5: Solve for x
    x = 1,893,373,296.27/60,366.57
  6. Step 6: Final answer
    x = 31,364.60

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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.