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Finding the Fourth Proportional to 17,125.97, 25,686.63 and 4,646.79

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Solution

The fourth proportional to 17,125.97, 25,686.63 and 4,646.79 is: 6,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.97 : 25,686.63 = 4,646.79 : x
  2. Step 2: Convert to fraction form
    17,125.97/25,686.63 = 4,646.79/x
  3. Step 3: Cross multiply
    17,125.97x = 25,686.63 × 4,646.79
  4. Step 4: Simplify right side
    17,125.97x = 119,360,375.42
  5. Step 5: Solve for x
    x = 119,360,375.42/17,125.97
  6. Step 6: Final answer
    x = 6,969.56

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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.