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Finding the Fourth Proportional to 7,792.73, 10,754.18 and 4,256.16

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Solution

The fourth proportional to 7,792.73, 10,754.18 and 4,256.16 is: 5,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.73 : 10,754.18 = 4,256.16 : x
  2. Step 2: Convert to fraction form
    7,792.73/10,754.18 = 4,256.16/x
  3. Step 3: Cross multiply
    7,792.73x = 10,754.18 × 4,256.16
  4. Step 4: Simplify right side
    7,792.73x = 45,771,489.47
  5. Step 5: Solve for x
    x = 45,771,489.47/7,792.73
  6. Step 6: Final answer
    x = 5,873.62

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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.