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Finding the Fourth Proportional to 8,763.56, 12,093.66 and 4,784.66

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Solution

The fourth proportional to 8,763.56, 12,093.66 and 4,784.66 is: 6,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.56 : 12,093.66 = 4,784.66 : x
  2. Step 2: Convert to fraction form
    8,763.56/12,093.66 = 4,784.66/x
  3. Step 3: Cross multiply
    8,763.56x = 12,093.66 × 4,784.66
  4. Step 4: Simplify right side
    8,763.56x = 57,864,051.26
  5. Step 5: Solve for x
    x = 57,864,051.26/8,763.56
  6. Step 6: Final answer
    x = 6,602.80

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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.