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Finding the Fourth Proportional to 68,803.56, 94,944.69 and 38,586.69

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Solution

The fourth proportional to 68,803.56, 94,944.69 and 38,586.69 is: 53,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,803.56 : 94,944.69 = 38,586.69 : x
  2. Step 2: Convert to fraction form
    68,803.56/94,944.69 = 38,586.69/x
  3. Step 3: Cross multiply
    68,803.56x = 94,944.69 × 38,586.69
  4. Step 4: Simplify right side
    68,803.56x = 3,663,601,320.18
  5. Step 5: Solve for x
    x = 3,663,601,320.18/68,803.56
  6. Step 6: Final answer
    x = 53,247.26

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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.