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Finding the Fourth Proportional to 16,332.57, 22,538.94 and 8,880.57

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Solution

The fourth proportional to 16,332.57, 22,538.94 and 8,880.57 is: 12,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,332.57 : 22,538.94 = 8,880.57 : x
  2. Step 2: Convert to fraction form
    16,332.57/22,538.94 = 8,880.57/x
  3. Step 3: Cross multiply
    16,332.57x = 22,538.94 × 8,880.57
  4. Step 4: Simplify right side
    16,332.57x = 200,158,634.40
  5. Step 5: Solve for x
    x = 200,158,634.40/16,332.57
  6. Step 6: Final answer
    x = 12,255.18

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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.