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Finding the Fourth Proportional to 56,513.28, 84,736.28 and 19,064.14

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Solution

The fourth proportional to 56,513.28, 84,736.28 and 19,064.14 is: 28,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,513.28 : 84,736.28 = 19,064.14 : x
  2. Step 2: Convert to fraction form
    56,513.28/84,736.28 = 19,064.14/x
  3. Step 3: Cross multiply
    56,513.28x = 84,736.28 × 19,064.14
  4. Step 4: Simplify right side
    56,513.28x = 1,615,424,305.00
  5. Step 5: Solve for x
    x = 1,615,424,305.00/56,513.28
  6. Step 6: Final answer
    x = 28,584.86

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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.