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Finding the Fourth Proportional to 8,827.94, 12,168.54 and 6,696.63

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Solution

The fourth proportional to 8,827.94, 12,168.54 and 6,696.63 is: 9,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.94 : 12,168.54 = 6,696.63 : x
  2. Step 2: Convert to fraction form
    8,827.94/12,168.54 = 6,696.63/x
  3. Step 3: Cross multiply
    8,827.94x = 12,168.54 × 6,696.63
  4. Step 4: Simplify right side
    8,827.94x = 81,488,210.02
  5. Step 5: Solve for x
    x = 81,488,210.02/8,827.94
  6. Step 6: Final answer
    x = 9,230.72

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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.