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Finding the Fourth Proportional to 10,579.80, 14,604.86 and 7,610.20

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Solution

The fourth proportional to 10,579.80, 14,604.86 and 7,610.20 is: 10,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.80 : 14,604.86 = 7,610.20 : x
  2. Step 2: Convert to fraction form
    10,579.80/14,604.86 = 7,610.20/x
  3. Step 3: Cross multiply
    10,579.80x = 14,604.86 × 7,610.20
  4. Step 4: Simplify right side
    10,579.80x = 111,145,905.57
  5. Step 5: Solve for x
    x = 111,145,905.57/10,579.80
  6. Step 6: Final answer
    x = 10,505.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.