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Finding the Fourth Proportional to 68,285.48, 94,251.78 and 44,477.48

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Solution

The fourth proportional to 68,285.48, 94,251.78 and 44,477.48 is: 61,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285.48 : 94,251.78 = 44,477.48 : x
  2. Step 2: Convert to fraction form
    68,285.48/94,251.78 = 44,477.48/x
  3. Step 3: Cross multiply
    68,285.48x = 94,251.78 × 44,477.48
  4. Step 4: Simplify right side
    68,285.48x = 4,192,081,659.91
  5. Step 5: Solve for x
    x = 4,192,081,659.91/68,285.48
  6. Step 6: Final answer
    x = 61,390.53

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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.