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Finding the Fourth Proportional to 62,955.36, 86,885.91 and 36,097.79

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Solution

The fourth proportional to 62,955.36, 86,885.91 and 36,097.79 is: 49,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,955.36 : 86,885.91 = 36,097.79 : x
  2. Step 2: Convert to fraction form
    62,955.36/86,885.91 = 36,097.79/x
  3. Step 3: Cross multiply
    62,955.36x = 86,885.91 × 36,097.79
  4. Step 4: Simplify right side
    62,955.36x = 3,136,388,898.71
  5. Step 5: Solve for x
    x = 3,136,388,898.71/62,955.36
  6. Step 6: Final answer
    x = 49,819.25

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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.