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Finding the Fourth Proportional to 73,863.76, 101,927.28 and 40,329.76

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Solution

The fourth proportional to 73,863.76, 101,927.28 and 40,329.76 is: 55,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,863.76 : 101,927.28 = 40,329.76 : x
  2. Step 2: Convert to fraction form
    73,863.76/101,927.28 = 40,329.76/x
  3. Step 3: Cross multiply
    73,863.76x = 101,927.28 × 40,329.76
  4. Step 4: Simplify right side
    73,863.76x = 4,110,702,739.85
  5. Step 5: Solve for x
    x = 4,110,702,739.85/73,863.76
  6. Step 6: Final answer
    x = 55,652.50

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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.