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Finding the Fourth Proportional to 68,470.68, 94,501.98 and 39,794.25

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Solution

The fourth proportional to 68,470.68, 94,501.98 and 39,794.25 is: 54,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,470.68 : 94,501.98 = 39,794.25 : x
  2. Step 2: Convert to fraction form
    68,470.68/94,501.98 = 39,794.25/x
  3. Step 3: Cross multiply
    68,470.68x = 94,501.98 × 39,794.25
  4. Step 4: Simplify right side
    68,470.68x = 3,760,635,417.62
  5. Step 5: Solve for x
    x = 3,760,635,417.62/68,470.68
  6. Step 6: Final answer
    x = 54,923.30

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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.