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Finding the Fourth Proportional to 67,771.74, 93,520.76 and 37,555.30

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Solution

The fourth proportional to 67,771.74, 93,520.76 and 37,555.30 is: 51,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,771.74 : 93,520.76 = 37,555.30 : x
  2. Step 2: Convert to fraction form
    67,771.74/93,520.76 = 37,555.30/x
  3. Step 3: Cross multiply
    67,771.74x = 93,520.76 × 37,555.30
  4. Step 4: Simplify right side
    67,771.74x = 3,512,199,730.42
  5. Step 5: Solve for x
    x = 3,512,199,730.42/67,771.74
  6. Step 6: Final answer
    x = 51,823.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.