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Finding the Fourth Proportional to 12,425.01, 17,146.80 and 6,760.08

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Solution

The fourth proportional to 12,425.01, 17,146.80 and 6,760.08 is: 9,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.01 : 17,146.80 = 6,760.08 : x
  2. Step 2: Convert to fraction form
    12,425.01/17,146.80 = 6,760.08/x
  3. Step 3: Cross multiply
    12,425.01x = 17,146.80 × 6,760.08
  4. Step 4: Simplify right side
    12,425.01x = 115,913,739.74
  5. Step 5: Solve for x
    x = 115,913,739.74/12,425.01
  6. Step 6: Final answer
    x = 9,329.07

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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.