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Finding the Fourth Proportional to 7,613.76, 10,505.04 and 4,469.34

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Solution

The fourth proportional to 7,613.76, 10,505.04 and 4,469.34 is: 6,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.76 : 10,505.04 = 4,469.34 : x
  2. Step 2: Convert to fraction form
    7,613.76/10,505.04 = 4,469.34/x
  3. Step 3: Cross multiply
    7,613.76x = 10,505.04 × 4,469.34
  4. Step 4: Simplify right side
    7,613.76x = 46,950,595.47
  5. Step 5: Solve for x
    x = 46,950,595.47/7,613.76
  6. Step 6: Final answer
    x = 6,166.55

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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.