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Finding the Fourth Proportional to 58,655.16, 80,939.34 and 33,163.74

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Solution

The fourth proportional to 58,655.16, 80,939.34 and 33,163.74 is: 45,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,655.16 : 80,939.34 = 33,163.74 : x
  2. Step 2: Convert to fraction form
    58,655.16/80,939.34 = 33,163.74/x
  3. Step 3: Cross multiply
    58,655.16x = 80,939.34 × 33,163.74
  4. Step 4: Simplify right side
    58,655.16x = 2,684,251,227.53
  5. Step 5: Solve for x
    x = 2,684,251,227.53/58,655.16
  6. Step 6: Final answer
    x = 45,763.26

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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.