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Finding the Fourth Proportional to 4,628.16, 6,941.18 and 2,779.80

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Solution

The fourth proportional to 4,628.16, 6,941.18 and 2,779.80 is: 4,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.16 : 6,941.18 = 2,779.80 : x
  2. Step 2: Convert to fraction form
    4,628.16/6,941.18 = 2,779.80/x
  3. Step 3: Cross multiply
    4,628.16x = 6,941.18 × 2,779.80
  4. Step 4: Simplify right side
    4,628.16x = 19,295,078.27
  5. Step 5: Solve for x
    x = 19,295,078.27/4,628.16
  6. Step 6: Final answer
    x = 4,169.06

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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.