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Finding the Fourth Proportional to 8,763.84, 12,093.99 and 4,784.91

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Solution

The fourth proportional to 8,763.84, 12,093.99 and 4,784.91 is: 6,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.84 : 12,093.99 = 4,784.91 : x
  2. Step 2: Convert to fraction form
    8,763.84/12,093.99 = 4,784.91/x
  3. Step 3: Cross multiply
    8,763.84x = 12,093.99 × 4,784.91
  4. Step 4: Simplify right side
    8,763.84x = 57,868,653.69
  5. Step 5: Solve for x
    x = 57,868,653.69/8,763.84
  6. Step 6: Final answer
    x = 6,603.12

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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.