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Finding the Fourth Proportional to 4,770.03, 6,579.32 and 4,609.47

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Solution

The fourth proportional to 4,770.03, 6,579.32 and 4,609.47 is: 6,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.03 : 6,579.32 = 4,609.47 : x
  2. Step 2: Convert to fraction form
    4,770.03/6,579.32 = 4,609.47/x
  3. Step 3: Cross multiply
    4,770.03x = 6,579.32 × 4,609.47
  4. Step 4: Simplify right side
    4,770.03x = 30,327,155.11
  5. Step 5: Solve for x
    x = 30,327,155.11/4,770.03
  6. Step 6: Final answer
    x = 6,357.85

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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.