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Finding the Fourth Proportional to 67,615.96, 93,307.80 and 37,400.80

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Solution

The fourth proportional to 67,615.96, 93,307.80 and 37,400.80 is: 51,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,615.96 : 93,307.80 = 37,400.80 : x
  2. Step 2: Convert to fraction form
    67,615.96/93,307.80 = 37,400.80/x
  3. Step 3: Cross multiply
    67,615.96x = 93,307.80 × 37,400.80
  4. Step 4: Simplify right side
    67,615.96x = 3,489,786,366.24
  5. Step 5: Solve for x
    x = 3,489,786,366.24/67,615.96
  6. Step 6: Final answer
    x = 51,611.87

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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.