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Finding the Fourth Proportional to 7,932, 10,946.16 and 4,788.96

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Solution

The fourth proportional to 7,932, 10,946.16 and 4,788.96 is: 6,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932 : 10,946.16 = 4,788.96 : x
  2. Step 2: Convert to fraction form
    7,932/10,946.16 = 4,788.96/x
  3. Step 3: Cross multiply
    7,932x = 10,946.16 × 4,788.96
  4. Step 4: Simplify right side
    7,932x = 52,420,722.39
  5. Step 5: Solve for x
    x = 52,420,722.39/7,932
  6. Step 6: Final answer
    x = 6,608.76

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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.