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Finding the Fourth Proportional to 6,188.99, 8,544.12 and 4,779.97

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Solution

The fourth proportional to 6,188.99, 8,544.12 and 4,779.97 is: 6,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.99 : 8,544.12 = 4,779.97 : x
  2. Step 2: Convert to fraction form
    6,188.99/8,544.12 = 4,779.97/x
  3. Step 3: Cross multiply
    6,188.99x = 8,544.12 × 4,779.97
  4. Step 4: Simplify right side
    6,188.99x = 40,840,627.87
  5. Step 5: Solve for x
    x = 40,840,627.87/6,188.99
  6. Step 6: Final answer
    x = 6,598.92

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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.