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Finding the Fourth Proportional to 7,957.56, 11,927.34 and 4,053.72

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Solution

The fourth proportional to 7,957.56, 11,927.34 and 4,053.72 is: 6,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.56 : 11,927.34 = 4,053.72 : x
  2. Step 2: Convert to fraction form
    7,957.56/11,927.34 = 4,053.72/x
  3. Step 3: Cross multiply
    7,957.56x = 11,927.34 × 4,053.72
  4. Step 4: Simplify right side
    7,957.56x = 48,350,096.70
  5. Step 5: Solve for x
    x = 48,350,096.70/7,957.56
  6. Step 6: Final answer
    x = 6,076.00

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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.