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Finding the Fourth Proportional to 68,794.74, 94,946.48 and 38,174.72

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Solution

The fourth proportional to 68,794.74, 94,946.48 and 38,174.72 is: 52,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,794.74 : 94,946.48 = 38,174.72 : x
  2. Step 2: Convert to fraction form
    68,794.74/94,946.48 = 38,174.72/x
  3. Step 3: Cross multiply
    68,794.74x = 94,946.48 × 38,174.72
  4. Step 4: Simplify right side
    68,794.74x = 3,624,555,288.99
  5. Step 5: Solve for x
    x = 3,624,555,288.99/68,794.74
  6. Step 6: Final answer
    x = 52,686.52

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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.