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Finding the Fourth Proportional to 51,866.28, 71,476.02 and 35,921.16

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Solution

The fourth proportional to 51,866.28, 71,476.02 and 35,921.16 is: 49,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,866.28 : 71,476.02 = 35,921.16 : x
  2. Step 2: Convert to fraction form
    51,866.28/71,476.02 = 35,921.16/x
  3. Step 3: Cross multiply
    51,866.28x = 71,476.02 × 35,921.16
  4. Step 4: Simplify right side
    51,866.28x = 2,567,501,550.58
  5. Step 5: Solve for x
    x = 2,567,501,550.58/51,866.28
  6. Step 6: Final answer
    x = 49,502.33

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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.