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Finding the Fourth Proportional to 10,640.07, 15,968.66 and 4,797.18

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Solution

The fourth proportional to 10,640.07, 15,968.66 and 4,797.18 is: 7,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.07 : 15,968.66 = 4,797.18 : x
  2. Step 2: Convert to fraction form
    10,640.07/15,968.66 = 4,797.18/x
  3. Step 3: Cross multiply
    10,640.07x = 15,968.66 × 4,797.18
  4. Step 4: Simplify right side
    10,640.07x = 76,604,512.39
  5. Step 5: Solve for x
    x = 76,604,512.39/10,640.07
  6. Step 6: Final answer
    x = 7,199.62

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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.