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Finding the Fourth Proportional to 58,142.60, 87,226.30 and 33,194.60

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Solution

The fourth proportional to 58,142.60, 87,226.30 and 33,194.60 is: 49,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,142.60 : 87,226.30 = 33,194.60 : x
  2. Step 2: Convert to fraction form
    58,142.60/87,226.30 = 33,194.60/x
  3. Step 3: Cross multiply
    58,142.60x = 87,226.30 × 33,194.60
  4. Step 4: Simplify right side
    58,142.60x = 2,895,442,137.98
  5. Step 5: Solve for x
    x = 2,895,442,137.98/58,142.60
  6. Step 6: Final answer
    x = 49,798.98

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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.