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Finding the Fourth Proportional to 8,393.94, 12,585.39 and 4,696.56

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Solution

The fourth proportional to 8,393.94, 12,585.39 and 4,696.56 is: 7,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.94 : 12,585.39 = 4,696.56 : x
  2. Step 2: Convert to fraction form
    8,393.94/12,585.39 = 4,696.56/x
  3. Step 3: Cross multiply
    8,393.94x = 12,585.39 × 4,696.56
  4. Step 4: Simplify right side
    8,393.94x = 59,108,039.26
  5. Step 5: Solve for x
    x = 59,108,039.26/8,393.94
  6. Step 6: Final answer
    x = 7,041.75

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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.