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Finding the Fourth Proportional to 37,159.20, 55,738.80 and 12,203.10

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Solution

The fourth proportional to 37,159.20, 55,738.80 and 12,203.10 is: 18,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,159.20 : 55,738.80 = 12,203.10 : x
  2. Step 2: Convert to fraction form
    37,159.20/55,738.80 = 12,203.10/x
  3. Step 3: Cross multiply
    37,159.20x = 55,738.80 × 12,203.10
  4. Step 4: Simplify right side
    37,159.20x = 680,186,150.28
  5. Step 5: Solve for x
    x = 680,186,150.28/37,159.20
  6. Step 6: Final answer
    x = 18,304.65

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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.