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Finding the Fourth Proportional to 8,763.05, 12,092.53 and 4,784.08

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Solution

The fourth proportional to 8,763.05, 12,092.53 and 4,784.08 is: 6,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.05 : 12,092.53 = 4,784.08 : x
  2. Step 2: Convert to fraction form
    8,763.05/12,092.53 = 4,784.08/x
  3. Step 3: Cross multiply
    8,763.05x = 12,092.53 × 4,784.08
  4. Step 4: Simplify right side
    8,763.05x = 57,851,630.92
  5. Step 5: Solve for x
    x = 57,851,630.92/8,763.05
  6. Step 6: Final answer
    x = 6,601.77

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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.