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Finding the Fourth Proportional to 71,803.74, 99,015.70 and 47,596.27

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Solution

The fourth proportional to 71,803.74, 99,015.70 and 47,596.27 is: 65,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,803.74 : 99,015.70 = 47,596.27 : x
  2. Step 2: Convert to fraction form
    71,803.74/99,015.70 = 47,596.27/x
  3. Step 3: Cross multiply
    71,803.74x = 99,015.70 × 47,596.27
  4. Step 4: Simplify right side
    71,803.74x = 4,712,777,991.44
  5. Step 5: Solve for x
    x = 4,712,777,991.44/71,803.74
  6. Step 6: Final answer
    x = 65,634.16

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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.