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Finding the Fourth Proportional to 4,793.91, 6,615.63 and 2,804.08

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Solution

The fourth proportional to 4,793.91, 6,615.63 and 2,804.08 is: 3,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.91 : 6,615.63 = 2,804.08 : x
  2. Step 2: Convert to fraction form
    4,793.91/6,615.63 = 2,804.08/x
  3. Step 3: Cross multiply
    4,793.91x = 6,615.63 × 2,804.08
  4. Step 4: Simplify right side
    4,793.91x = 18,550,741.75
  5. Step 5: Solve for x
    x = 18,550,741.75/4,793.91
  6. Step 6: Final answer
    x = 3,869.65

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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.