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Finding the Fourth Proportional to 51,696.48, 77,544.72 and 14,760.48

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Solution

The fourth proportional to 51,696.48, 77,544.72 and 14,760.48 is: 22,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,696.48 : 77,544.72 = 14,760.48 : x
  2. Step 2: Convert to fraction form
    51,696.48/77,544.72 = 14,760.48/x
  3. Step 3: Cross multiply
    51,696.48x = 77,544.72 × 14,760.48
  4. Step 4: Simplify right side
    51,696.48x = 1,144,597,288.67
  5. Step 5: Solve for x
    x = 1,144,597,288.67/51,696.48
  6. Step 6: Final answer
    x = 22,140.72

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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.