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Finding the Fourth Proportional to 9,957.79, 14,927.33 and 3,379.38

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Solution

The fourth proportional to 9,957.79, 14,927.33 and 3,379.38 is: 5,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.79 : 14,927.33 = 3,379.38 : x
  2. Step 2: Convert to fraction form
    9,957.79/14,927.33 = 3,379.38/x
  3. Step 3: Cross multiply
    9,957.79x = 14,927.33 × 3,379.38
  4. Step 4: Simplify right side
    9,957.79x = 50,445,120.46
  5. Step 5: Solve for x
    x = 50,445,120.46/9,957.79
  6. Step 6: Final answer
    x = 5,065.90

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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.