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Finding the Fourth Proportional to 4,980.69, 6,823.58 and 4,793.85

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Solution

The fourth proportional to 4,980.69, 6,823.58 and 4,793.85 is: 6,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.69 : 6,823.58 = 4,793.85 : x
  2. Step 2: Convert to fraction form
    4,980.69/6,823.58 = 4,793.85/x
  3. Step 3: Cross multiply
    4,980.69x = 6,823.58 × 4,793.85
  4. Step 4: Simplify right side
    4,980.69x = 32,711,195.01
  5. Step 5: Solve for x
    x = 32,711,195.01/4,980.69
  6. Step 6: Final answer
    x = 6,567.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.