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Finding the Fourth Proportional to 12,392.50, 17,101.77 and 6,803.62

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Solution

The fourth proportional to 12,392.50, 17,101.77 and 6,803.62 is: 9,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.50 : 17,101.77 = 6,803.62 : x
  2. Step 2: Convert to fraction form
    12,392.50/17,101.77 = 6,803.62/x
  3. Step 3: Cross multiply
    12,392.50x = 17,101.77 × 6,803.62
  4. Step 4: Simplify right side
    12,392.50x = 116,353,944.41
  5. Step 5: Solve for x
    x = 116,353,944.41/12,392.50
  6. Step 6: Final answer
    x = 9,389.06

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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.