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Finding the Fourth Proportional to 58,415.62, 87,698.76 and 50,148.76

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Solution

The fourth proportional to 58,415.62, 87,698.76 and 50,148.76 is: 75,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,415.62 : 87,698.76 = 50,148.76 : x
  2. Step 2: Convert to fraction form
    58,415.62/87,698.76 = 50,148.76/x
  3. Step 3: Cross multiply
    58,415.62x = 87,698.76 × 50,148.76
  4. Step 4: Simplify right side
    58,415.62x = 4,397,984,067.54
  5. Step 5: Solve for x
    x = 4,397,984,067.54/58,415.62
  6. Step 6: Final answer
    x = 75,287.81

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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.