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Finding the Fourth Proportional to 60,435.35, 90,621.88 and 27,126.88

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Solution

The fourth proportional to 60,435.35, 90,621.88 and 27,126.88 is: 40,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,435.35 : 90,621.88 = 27,126.88 : x
  2. Step 2: Convert to fraction form
    60,435.35/90,621.88 = 27,126.88/x
  3. Step 3: Cross multiply
    60,435.35x = 90,621.88 × 27,126.88
  4. Step 4: Simplify right side
    60,435.35x = 2,458,288,569.76
  5. Step 5: Solve for x
    x = 2,458,288,569.76/60,435.35
  6. Step 6: Final answer
    x = 40,676.34

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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.