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Finding the Fourth Proportional to 12,359.58, 17,056.08 and 6,694.22

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Solution

The fourth proportional to 12,359.58, 17,056.08 and 6,694.22 is: 9,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.58 : 17,056.08 = 6,694.22 : x
  2. Step 2: Convert to fraction form
    12,359.58/17,056.08 = 6,694.22/x
  3. Step 3: Cross multiply
    12,359.58x = 17,056.08 × 6,694.22
  4. Step 4: Simplify right side
    12,359.58x = 114,177,151.86
  5. Step 5: Solve for x
    x = 114,177,151.86/12,359.58
  6. Step 6: Final answer
    x = 9,237.95

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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.