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Finding the Fourth Proportional to 7,663.93, 11,495.97 and 4,199.29

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Solution

The fourth proportional to 7,663.93, 11,495.97 and 4,199.29 is: 6,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.93 : 11,495.97 = 4,199.29 : x
  2. Step 2: Convert to fraction form
    7,663.93/11,495.97 = 4,199.29/x
  3. Step 3: Cross multiply
    7,663.93x = 11,495.97 × 4,199.29
  4. Step 4: Simplify right side
    7,663.93x = 48,274,911.86
  5. Step 5: Solve for x
    x = 48,274,911.86/7,663.93
  6. Step 6: Final answer
    x = 6,298.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.