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Finding the Fourth Proportional to 6,452.10, 8,920.15 and 4,770.86

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Solution

The fourth proportional to 6,452.10, 8,920.15 and 4,770.86 is: 6,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.10 : 8,920.15 = 4,770.86 : x
  2. Step 2: Convert to fraction form
    6,452.10/8,920.15 = 4,770.86/x
  3. Step 3: Cross multiply
    6,452.10x = 8,920.15 × 4,770.86
  4. Step 4: Simplify right side
    6,452.10x = 42,556,730.30
  5. Step 5: Solve for x
    x = 42,556,730.30/6,452.10
  6. Step 6: Final answer
    x = 6,595.80

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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.