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Finding the Fourth Proportional to 8,774.36, 12,108.46 and 4,795.38

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Solution

The fourth proportional to 8,774.36, 12,108.46 and 4,795.38 is: 6,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.36 : 12,108.46 = 4,795.38 : x
  2. Step 2: Convert to fraction form
    8,774.36/12,108.46 = 4,795.38/x
  3. Step 3: Cross multiply
    8,774.36x = 12,108.46 × 4,795.38
  4. Step 4: Simplify right side
    8,774.36x = 58,064,666.91
  5. Step 5: Solve for x
    x = 58,064,666.91/8,774.36
  6. Step 6: Final answer
    x = 6,617.54

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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.