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Finding the Fourth Proportional to 6,425.99, 9,640.51 and 2,043.45

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Solution

The fourth proportional to 6,425.99, 9,640.51 and 2,043.45 is: 3,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.99 : 9,640.51 = 2,043.45 : x
  2. Step 2: Convert to fraction form
    6,425.99/9,640.51 = 2,043.45/x
  3. Step 3: Cross multiply
    6,425.99x = 9,640.51 × 2,043.45
  4. Step 4: Simplify right side
    6,425.99x = 19,699,900.16
  5. Step 5: Solve for x
    x = 19,699,900.16/6,425.99
  6. Step 6: Final answer
    x = 3,065.66

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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.