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Finding the Fourth Proportional to 5,071.71, 7,003.74 and 4,795.61

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Solution

The fourth proportional to 5,071.71, 7,003.74 and 4,795.61 is: 6,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.71 : 7,003.74 = 4,795.61 : x
  2. Step 2: Convert to fraction form
    5,071.71/7,003.74 = 4,795.61/x
  3. Step 3: Cross multiply
    5,071.71x = 7,003.74 × 4,795.61
  4. Step 4: Simplify right side
    5,071.71x = 33,587,170.56
  5. Step 5: Solve for x
    x = 33,587,170.56/5,071.71
  6. Step 6: Final answer
    x = 6,622.45

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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.