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Finding the Fourth Proportional to 9,366.70, 14,054.10 and 4,749.70

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Solution

The fourth proportional to 9,366.70, 14,054.10 and 4,749.70 is: 7,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.70 : 14,054.10 = 4,749.70 : x
  2. Step 2: Convert to fraction form
    9,366.70/14,054.10 = 4,749.70/x
  3. Step 3: Cross multiply
    9,366.70x = 14,054.10 × 4,749.70
  4. Step 4: Simplify right side
    9,366.70x = 66,752,758.77
  5. Step 5: Solve for x
    x = 66,752,758.77/9,366.70
  6. Step 6: Final answer
    x = 7,126.60

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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.