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Finding the Fourth Proportional to 12,859.68, 19,296.76 and 5,934.18

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Solution

The fourth proportional to 12,859.68, 19,296.76 and 5,934.18 is: 8,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.68 : 19,296.76 = 5,934.18 : x
  2. Step 2: Convert to fraction form
    12,859.68/19,296.76 = 5,934.18/x
  3. Step 3: Cross multiply
    12,859.68x = 19,296.76 × 5,934.18
  4. Step 4: Simplify right side
    12,859.68x = 114,510,447.26
  5. Step 5: Solve for x
    x = 114,510,447.26/12,859.68
  6. Step 6: Final answer
    x = 8,904.61

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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.