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Finding the Fourth Proportional to 10,790.87, 14,883.73 and 7,204.02

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Solution

The fourth proportional to 10,790.87, 14,883.73 and 7,204.02 is: 9,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.87 : 14,883.73 = 7,204.02 : x
  2. Step 2: Convert to fraction form
    10,790.87/14,883.73 = 7,204.02/x
  3. Step 3: Cross multiply
    10,790.87x = 14,883.73 × 7,204.02
  4. Step 4: Simplify right side
    10,790.87x = 107,222,688.59
  5. Step 5: Solve for x
    x = 107,222,688.59/10,790.87
  6. Step 6: Final answer
    x = 9,936.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.