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Finding the Fourth Proportional to 37,112.60, 55,668.90 and 22,313.90

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Solution

The fourth proportional to 37,112.60, 55,668.90 and 22,313.90 is: 33,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.60 : 55,668.90 = 22,313.90 : x
  2. Step 2: Convert to fraction form
    37,112.60/55,668.90 = 22,313.90/x
  3. Step 3: Cross multiply
    37,112.60x = 55,668.90 × 22,313.90
  4. Step 4: Simplify right side
    37,112.60x = 1,242,190,267.71
  5. Step 5: Solve for x
    x = 1,242,190,267.71/37,112.60
  6. Step 6: Final answer
    x = 33,470.85

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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.