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Finding the Fourth Proportional to 27,767.00, 41,650.47 and 6,990.50

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Solution

The fourth proportional to 27,767.00, 41,650.47 and 6,990.50 is: 10,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,767.00 : 41,650.47 = 6,990.50 : x
  2. Step 2: Convert to fraction form
    27,767.00/41,650.47 = 6,990.50/x
  3. Step 3: Cross multiply
    27,767.00x = 41,650.47 × 6,990.50
  4. Step 4: Simplify right side
    27,767.00x = 291,157,714.66
  5. Step 5: Solve for x
    x = 291,157,714.66/27,767.00
  6. Step 6: Final answer
    x = 10,485.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.