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Finding the Fourth Proportional to 37,212.70, 55,818.15 and 22,410.40

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Solution

The fourth proportional to 37,212.70, 55,818.15 and 22,410.40 is: 33,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.70 : 55,818.15 = 22,410.40 : x
  2. Step 2: Convert to fraction form
    37,212.70/55,818.15 = 22,410.40/x
  3. Step 3: Cross multiply
    37,212.70x = 55,818.15 × 22,410.40
  4. Step 4: Simplify right side
    37,212.70x = 1,250,907,068.76
  5. Step 5: Solve for x
    x = 1,250,907,068.76/37,212.70
  6. Step 6: Final answer
    x = 33,615.06

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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.