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Finding the Fourth Proportional to 69,828.94, 96,363.90 and 37,997.80

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Solution

The fourth proportional to 69,828.94, 96,363.90 and 37,997.80 is: 52,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828.94 : 96,363.90 = 37,997.80 : x
  2. Step 2: Convert to fraction form
    69,828.94/96,363.90 = 37,997.80/x
  3. Step 3: Cross multiply
    69,828.94x = 96,363.90 × 37,997.80
  4. Step 4: Simplify right side
    69,828.94x = 3,661,616,199.42
  5. Step 5: Solve for x
    x = 3,661,616,199.42/69,828.94
  6. Step 6: Final answer
    x = 52,436.94

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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.