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Finding the Fourth Proportional to 6,900.66, 9,523.13 and 4,887.69

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Solution

The fourth proportional to 6,900.66, 9,523.13 and 4,887.69 is: 6,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.66 : 9,523.13 = 4,887.69 : x
  2. Step 2: Convert to fraction form
    6,900.66/9,523.13 = 4,887.69/x
  3. Step 3: Cross multiply
    6,900.66x = 9,523.13 × 4,887.69
  4. Step 4: Simplify right side
    6,900.66x = 46,546,047.12
  5. Step 5: Solve for x
    x = 46,546,047.12/6,900.66
  6. Step 6: Final answer
    x = 6,745.16

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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.