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Finding the Fourth Proportional to 8,670.99, 11,962.98 and 4,893.69

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Solution

The fourth proportional to 8,670.99, 11,962.98 and 4,893.69 is: 6,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.99 : 11,962.98 = 4,893.69 : x
  2. Step 2: Convert to fraction form
    8,670.99/11,962.98 = 4,893.69/x
  3. Step 3: Cross multiply
    8,670.99x = 11,962.98 × 4,893.69
  4. Step 4: Simplify right side
    8,670.99x = 58,543,115.60
  5. Step 5: Solve for x
    x = 58,543,115.60/8,670.99
  6. Step 6: Final answer
    x = 6,751.61

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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.