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Finding the Fourth Proportional to 58,200.70, 87,171.45 and 50,424.70

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Solution

The fourth proportional to 58,200.70, 87,171.45 and 50,424.70 is: 75,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,200.70 : 87,171.45 = 50,424.70 : x
  2. Step 2: Convert to fraction form
    58,200.70/87,171.45 = 50,424.70/x
  3. Step 3: Cross multiply
    58,200.70x = 87,171.45 × 50,424.70
  4. Step 4: Simplify right side
    58,200.70x = 4,395,594,214.82
  5. Step 5: Solve for x
    x = 4,395,594,214.82/58,200.70
  6. Step 6: Final answer
    x = 75,524.77

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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.