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Finding the Fourth Proportional to 7,955.96, 11,935.76 and 4,261.77

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Solution

The fourth proportional to 7,955.96, 11,935.76 and 4,261.77 is: 6,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.96 : 11,935.76 = 4,261.77 : x
  2. Step 2: Convert to fraction form
    7,955.96/11,935.76 = 4,261.77/x
  3. Step 3: Cross multiply
    7,955.96x = 11,935.76 × 4,261.77
  4. Step 4: Simplify right side
    7,955.96x = 50,867,442.59
  5. Step 5: Solve for x
    x = 50,867,442.59/7,955.96
  6. Step 6: Final answer
    x = 6,393.63

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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.