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Finding the Fourth Proportional to 62,993.65, 86,931.47 and 34,699.27

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Solution

The fourth proportional to 62,993.65, 86,931.47 and 34,699.27 is: 47,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,993.65 : 86,931.47 = 34,699.27 : x
  2. Step 2: Convert to fraction form
    62,993.65/86,931.47 = 34,699.27/x
  3. Step 3: Cross multiply
    62,993.65x = 86,931.47 × 34,699.27
  4. Step 4: Simplify right side
    62,993.65x = 3,016,457,940.87
  5. Step 5: Solve for x
    x = 3,016,457,940.87/62,993.65
  6. Step 6: Final answer
    x = 47,885.12

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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.