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Finding the Fourth Proportional to 9,364, 14,048.31 and 2,790.16

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Solution

The fourth proportional to 9,364, 14,048.31 and 2,790.16 is: 4,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364 : 14,048.31 = 2,790.16 : x
  2. Step 2: Convert to fraction form
    9,364/14,048.31 = 2,790.16/x
  3. Step 3: Cross multiply
    9,364x = 14,048.31 × 2,790.16
  4. Step 4: Simplify right side
    9,364x = 39,197,032.63
  5. Step 5: Solve for x
    x = 39,197,032.63/9,364
  6. Step 6: Final answer
    x = 4,185.93

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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.