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Finding the Fourth Proportional to 12,604.59, 17,394.17 and 7,015.59

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Solution

The fourth proportional to 12,604.59, 17,394.17 and 7,015.59 is: 9,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.59 : 17,394.17 = 7,015.59 : x
  2. Step 2: Convert to fraction form
    12,604.59/17,394.17 = 7,015.59/x
  3. Step 3: Cross multiply
    12,604.59x = 17,394.17 × 7,015.59
  4. Step 4: Simplify right side
    12,604.59x = 122,030,330.03
  5. Step 5: Solve for x
    x = 122,030,330.03/12,604.59
  6. Step 6: Final answer
    x = 9,681.42

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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.