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Finding the Fourth Proportional to 6,199.74, 8,556.12 and 3,547.98

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Solution

The fourth proportional to 6,199.74, 8,556.12 and 3,547.98 is: 4,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.74 : 8,556.12 = 3,547.98 : x
  2. Step 2: Convert to fraction form
    6,199.74/8,556.12 = 3,547.98/x
  3. Step 3: Cross multiply
    6,199.74x = 8,556.12 × 3,547.98
  4. Step 4: Simplify right side
    6,199.74x = 30,356,942.64
  5. Step 5: Solve for x
    x = 30,356,942.64/6,199.74
  6. Step 6: Final answer
    x = 4,896.49

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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.