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Finding the Fourth Proportional to 9,951.79, 14,927.15 and 3,025.75

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Solution

The fourth proportional to 9,951.79, 14,927.15 and 3,025.75 is: 4,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.79 : 14,927.15 = 3,025.75 : x
  2. Step 2: Convert to fraction form
    9,951.79/14,927.15 = 3,025.75/x
  3. Step 3: Cross multiply
    9,951.79x = 14,927.15 × 3,025.75
  4. Step 4: Simplify right side
    9,951.79x = 45,165,808.98
  5. Step 5: Solve for x
    x = 45,165,808.98/9,951.79
  6. Step 6: Final answer
    x = 4,538.46

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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.