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Finding the Fourth Proportional to 34,954.66, 48,237.65 and 20,614.65

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Solution

The fourth proportional to 34,954.66, 48,237.65 and 20,614.65 is: 28,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,954.66 : 48,237.65 = 20,614.65 : x
  2. Step 2: Convert to fraction form
    34,954.66/48,237.65 = 20,614.65/x
  3. Step 3: Cross multiply
    34,954.66x = 48,237.65 × 20,614.65
  4. Step 4: Simplify right side
    34,954.66x = 994,402,271.57
  5. Step 5: Solve for x
    x = 994,402,271.57/34,954.66
  6. Step 6: Final answer
    x = 28,448.35

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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.