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Finding the Fourth Proportional to 8,392.01, 12,588.01 and 7,696.72

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Solution

The fourth proportional to 8,392.01, 12,588.01 and 7,696.72 is: 11,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.01 : 12,588.01 = 7,696.72 : x
  2. Step 2: Convert to fraction form
    8,392.01/12,588.01 = 7,696.72/x
  3. Step 3: Cross multiply
    8,392.01x = 12,588.01 × 7,696.72
  4. Step 4: Simplify right side
    8,392.01x = 96,886,384.82
  5. Step 5: Solve for x
    x = 96,886,384.82/8,392.01
  6. Step 6: Final answer
    x = 11,545.08

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.