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Finding the Fourth Proportional to 9,491.93, 14,237.69 and 2,917.97

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Solution

The fourth proportional to 9,491.93, 14,237.69 and 2,917.97 is: 4,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.93 : 14,237.69 = 2,917.97 : x
  2. Step 2: Convert to fraction form
    9,491.93/14,237.69 = 2,917.97/x
  3. Step 3: Cross multiply
    9,491.93x = 14,237.69 × 2,917.97
  4. Step 4: Simplify right side
    9,491.93x = 41,545,066.51
  5. Step 5: Solve for x
    x = 41,545,066.51/9,491.93
  6. Step 6: Final answer
    x = 4,376.89

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1.5x scale

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.