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Finding the Fourth Proportional to 60,610.17, 90,815.01 and 30,987.26

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Solution

The fourth proportional to 60,610.17, 90,815.01 and 30,987.26 is: 46,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.17 : 90,815.01 = 30,987.26 : x
  2. Step 2: Convert to fraction form
    60,610.17/90,815.01 = 30,987.26/x
  3. Step 3: Cross multiply
    60,610.17x = 90,815.01 × 30,987.26
  4. Step 4: Simplify right side
    60,610.17x = 2,814,107,872.70
  5. Step 5: Solve for x
    x = 2,814,107,872.70/60,610.17
  6. Step 6: Final answer
    x = 46,429.63

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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.