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Finding the Fourth Proportional to 8,774.80, 12,108.58 and 4,795.07

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Solution

The fourth proportional to 8,774.80, 12,108.58 and 4,795.07 is: 6,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.80 : 12,108.58 = 4,795.07 : x
  2. Step 2: Convert to fraction form
    8,774.80/12,108.58 = 4,795.07/x
  3. Step 3: Cross multiply
    8,774.80x = 12,108.58 × 4,795.07
  4. Step 4: Simplify right side
    8,774.80x = 58,061,416.17
  5. Step 5: Solve for x
    x = 58,061,416.17/8,774.80
  6. Step 6: Final answer
    x = 6,616.84

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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.