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Finding the Fourth Proportional to 67,856.61, 93,634.55 and 37,634.36

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Solution

The fourth proportional to 67,856.61, 93,634.55 and 37,634.36 is: 51,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.61 : 93,634.55 = 37,634.36 : x
  2. Step 2: Convert to fraction form
    67,856.61/93,634.55 = 37,634.36/x
  3. Step 3: Cross multiply
    67,856.61x = 93,634.55 × 37,634.36
  4. Step 4: Simplify right side
    67,856.61x = 3,523,876,363.14
  5. Step 5: Solve for x
    x = 3,523,876,363.14/67,856.61
  6. Step 6: Final answer
    x = 51,931.22

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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.