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Finding the Fourth Proportional to 6,462.42, 9,693.63 and 1,782.47

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Solution

The fourth proportional to 6,462.42, 9,693.63 and 1,782.47 is: 2,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.42 : 9,693.63 = 1,782.47 : x
  2. Step 2: Convert to fraction form
    6,462.42/9,693.63 = 1,782.47/x
  3. Step 3: Cross multiply
    6,462.42x = 9,693.63 × 1,782.47
  4. Step 4: Simplify right side
    6,462.42x = 17,278,556.20
  5. Step 5: Solve for x
    x = 17,278,556.20/6,462.42
  6. Step 6: Final answer
    x = 2,673.70

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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.