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Finding the Fourth Proportional to 12,596.34, 17,382.97 and 7,007.34

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Solution

The fourth proportional to 12,596.34, 17,382.97 and 7,007.34 is: 9,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.34 : 17,382.97 = 7,007.34 : x
  2. Step 2: Convert to fraction form
    12,596.34/17,382.97 = 7,007.34/x
  3. Step 3: Cross multiply
    12,596.34x = 17,382.97 × 7,007.34
  4. Step 4: Simplify right side
    12,596.34x = 121,808,454.95
  5. Step 5: Solve for x
    x = 121,808,454.95/12,596.34
  6. Step 6: Final answer
    x = 9,670.14

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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.