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Finding the Fourth Proportional to 13,262.43, 19,893.83 and 5,368.71

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Solution

The fourth proportional to 13,262.43, 19,893.83 and 5,368.71 is: 8,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.43 : 19,893.83 = 5,368.71 : x
  2. Step 2: Convert to fraction form
    13,262.43/19,893.83 = 5,368.71/x
  3. Step 3: Cross multiply
    13,262.43x = 19,893.83 × 5,368.71
  4. Step 4: Simplify right side
    13,262.43x = 106,804,177.22
  5. Step 5: Solve for x
    x = 106,804,177.22/13,262.43
  6. Step 6: Final answer
    x = 8,053.14

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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.