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Finding the Fourth Proportional to 16,523.77, 22,802.97 and 8,970.17

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Solution

The fourth proportional to 16,523.77, 22,802.97 and 8,970.17 is: 12,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,523.77 : 22,802.97 = 8,970.17 : x
  2. Step 2: Convert to fraction form
    16,523.77/22,802.97 = 8,970.17/x
  3. Step 3: Cross multiply
    16,523.77x = 22,802.97 × 8,970.17
  4. Step 4: Simplify right side
    16,523.77x = 204,546,403.39
  5. Step 5: Solve for x
    x = 204,546,403.39/16,523.77
  6. Step 6: Final answer
    x = 12,378.92

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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.