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Finding the Fourth Proportional to 39,162.66, 58,802.31 and 15,834.66

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Solution

The fourth proportional to 39,162.66, 58,802.31 and 15,834.66 is: 23,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.66 : 58,802.31 = 15,834.66 : x
  2. Step 2: Convert to fraction form
    39,162.66/58,802.31 = 15,834.66/x
  3. Step 3: Cross multiply
    39,162.66x = 58,802.31 × 15,834.66
  4. Step 4: Simplify right side
    39,162.66x = 931,114,586.06
  5. Step 5: Solve for x
    x = 931,114,586.06/39,162.66
  6. Step 6: Final answer
    x = 23,775.57

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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.