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Finding the Fourth Proportional to 67,328, 92,912.14 and 37,113.35

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Solution

The fourth proportional to 67,328, 92,912.14 and 37,113.35 is: 51,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328 : 92,912.14 = 37,113.35 : x
  2. Step 2: Convert to fraction form
    67,328/92,912.14 = 37,113.35/x
  3. Step 3: Cross multiply
    67,328x = 92,912.14 × 37,113.35
  4. Step 4: Simplify right side
    67,328x = 3,448,280,771.07
  5. Step 5: Solve for x
    x = 3,448,280,771.07/67,328
  6. Step 6: Final answer
    x = 51,216.15

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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.