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Finding the Fourth Proportional to 6,495.80, 9,744.78 and 2,114.24

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Solution

The fourth proportional to 6,495.80, 9,744.78 and 2,114.24 is: 3,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.80 : 9,744.78 = 2,114.24 : x
  2. Step 2: Convert to fraction form
    6,495.80/9,744.78 = 2,114.24/x
  3. Step 3: Cross multiply
    6,495.80x = 9,744.78 × 2,114.24
  4. Step 4: Simplify right side
    6,495.80x = 20,602,803.67
  5. Step 5: Solve for x
    x = 20,602,803.67/6,495.80
  6. Step 6: Final answer
    x = 3,171.71

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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.