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Finding the Fourth Proportional to 73,685.94, 110,452.77 and 34,210.86

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Solution

The fourth proportional to 73,685.94, 110,452.77 and 34,210.86 is: 51,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685.94 : 110,452.77 = 34,210.86 : x
  2. Step 2: Convert to fraction form
    73,685.94/110,452.77 = 34,210.86/x
  3. Step 3: Cross multiply
    73,685.94x = 110,452.77 × 34,210.86
  4. Step 4: Simplify right side
    73,685.94x = 3,778,684,251.08
  5. Step 5: Solve for x
    x = 3,778,684,251.08/73,685.94
  6. Step 6: Final answer
    x = 51,280.94

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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.