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Finding the Fourth Proportional to 8,774.58, 12,108.48 and 4,794.96

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Solution

The fourth proportional to 8,774.58, 12,108.48 and 4,794.96 is: 6,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.58 : 12,108.48 = 4,794.96 : x
  2. Step 2: Convert to fraction form
    8,774.58/12,108.48 = 4,794.96/x
  3. Step 3: Cross multiply
    8,774.58x = 12,108.48 × 4,794.96
  4. Step 4: Simplify right side
    8,774.58x = 58,059,677.26
  5. Step 5: Solve for x
    x = 58,059,677.26/8,774.58
  6. Step 6: Final answer
    x = 6,616.80

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1.5x scale

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.