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Finding the Fourth Proportional to 6,656.99, 9,187.36 and 3,824.48

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Solution

The fourth proportional to 6,656.99, 9,187.36 and 3,824.48 is: 5,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.99 : 9,187.36 = 3,824.48 : x
  2. Step 2: Convert to fraction form
    6,656.99/9,187.36 = 3,824.48/x
  3. Step 3: Cross multiply
    6,656.99x = 9,187.36 × 3,824.48
  4. Step 4: Simplify right side
    6,656.99x = 35,136,887.98
  5. Step 5: Solve for x
    x = 35,136,887.98/6,656.99
  6. Step 6: Final answer
    x = 5,278.20

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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.