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Finding the Fourth Proportional to 20,010.58, 30,017.58 and 5,969.70

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Solution

The fourth proportional to 20,010.58, 30,017.58 and 5,969.70 is: 8,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.58 : 30,017.58 = 5,969.70 : x
  2. Step 2: Convert to fraction form
    20,010.58/30,017.58 = 5,969.70/x
  3. Step 3: Cross multiply
    20,010.58x = 30,017.58 × 5,969.70
  4. Step 4: Simplify right side
    20,010.58x = 179,195,917.48
  5. Step 5: Solve for x
    x = 179,195,917.48/20,010.58
  6. Step 6: Final answer
    x = 8,955.06

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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.