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Finding the Fourth Proportional to 7,508.13, 10,361.13 and 4,151.16

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Solution

The fourth proportional to 7,508.13, 10,361.13 and 4,151.16 is: 5,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.13 : 10,361.13 = 4,151.16 : x
  2. Step 2: Convert to fraction form
    7,508.13/10,361.13 = 4,151.16/x
  3. Step 3: Cross multiply
    7,508.13x = 10,361.13 × 4,151.16
  4. Step 4: Simplify right side
    7,508.13x = 43,010,708.41
  5. Step 5: Solve for x
    x = 43,010,708.41/7,508.13
  6. Step 6: Final answer
    x = 5,728.55

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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.