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Finding the Fourth Proportional to 39,163.66, 58,803.81 and 15,835.66

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Solution

The fourth proportional to 39,163.66, 58,803.81 and 15,835.66 is: 23,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.66 : 58,803.81 = 15,835.66 : x
  2. Step 2: Convert to fraction form
    39,163.66/58,803.81 = 15,835.66/x
  3. Step 3: Cross multiply
    39,163.66x = 58,803.81 × 15,835.66
  4. Step 4: Simplify right side
    39,163.66x = 931,197,141.86
  5. Step 5: Solve for x
    x = 931,197,141.86/39,163.66
  6. Step 6: Final answer
    x = 23,777.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.