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Finding the Fourth Proportional to 7,636.77, 10,538.77 and 4,982.61

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Solution

The fourth proportional to 7,636.77, 10,538.77 and 4,982.61 is: 6,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.77 : 10,538.77 = 4,982.61 : x
  2. Step 2: Convert to fraction form
    7,636.77/10,538.77 = 4,982.61/x
  3. Step 3: Cross multiply
    7,636.77x = 10,538.77 × 4,982.61
  4. Step 4: Simplify right side
    7,636.77x = 52,510,580.79
  5. Step 5: Solve for x
    x = 52,510,580.79/7,636.77
  6. Step 6: Final answer
    x = 6,876.02

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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.