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Finding the Fourth Proportional to 58,695.71, 80,995.14 and 33,200.75

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Solution

The fourth proportional to 58,695.71, 80,995.14 and 33,200.75 is: 45,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,695.71 : 80,995.14 = 33,200.75 : x
  2. Step 2: Convert to fraction form
    58,695.71/80,995.14 = 33,200.75/x
  3. Step 3: Cross multiply
    58,695.71x = 80,995.14 × 33,200.75
  4. Step 4: Simplify right side
    58,695.71x = 2,689,099,596.84
  5. Step 5: Solve for x
    x = 2,689,099,596.84/58,695.71
  6. Step 6: Final answer
    x = 45,814.25

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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.