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Finding the Fourth Proportional to 8,827.79, 12,181.79 and 5,050.96

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Solution

The fourth proportional to 8,827.79, 12,181.79 and 5,050.96 is: 6,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.79 : 12,181.79 = 5,050.96 : x
  2. Step 2: Convert to fraction form
    8,827.79/12,181.79 = 5,050.96/x
  3. Step 3: Cross multiply
    8,827.79x = 12,181.79 × 5,050.96
  4. Step 4: Simplify right side
    8,827.79x = 61,529,716.19
  5. Step 5: Solve for x
    x = 61,529,716.19/8,827.79
  6. Step 6: Final answer
    x = 6,970.01

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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.