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Finding the Fourth Proportional to 6,846.52, 9,447.54 and 4,159.21

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Solution

The fourth proportional to 6,846.52, 9,447.54 and 4,159.21 is: 5,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,846.52 : 9,447.54 = 4,159.21 : x
  2. Step 2: Convert to fraction form
    6,846.52/9,447.54 = 4,159.21/x
  3. Step 3: Cross multiply
    6,846.52x = 9,447.54 × 4,159.21
  4. Step 4: Simplify right side
    6,846.52x = 39,294,302.84
  5. Step 5: Solve for x
    x = 39,294,302.84/6,846.52
  6. Step 6: Final answer
    x = 5,739.31

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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.