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Finding the Fourth Proportional to 7,941.72, 10,955.98 and 4,958.29

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Solution

The fourth proportional to 7,941.72, 10,955.98 and 4,958.29 is: 6,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.72 : 10,955.98 = 4,958.29 : x
  2. Step 2: Convert to fraction form
    7,941.72/10,955.98 = 4,958.29/x
  3. Step 3: Cross multiply
    7,941.72x = 10,955.98 × 4,958.29
  4. Step 4: Simplify right side
    7,941.72x = 54,322,926.07
  5. Step 5: Solve for x
    x = 54,322,926.07/7,941.72
  6. Step 6: Final answer
    x = 6,840.20

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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.