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Finding the Fourth Proportional to 55,674.44, 83,495.32 and 15,690.74

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Solution

The fourth proportional to 55,674.44, 83,495.32 and 15,690.74 is: 23,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,674.44 : 83,495.32 = 15,690.74 : x
  2. Step 2: Convert to fraction form
    55,674.44/83,495.32 = 15,690.74/x
  3. Step 3: Cross multiply
    55,674.44x = 83,495.32 × 15,690.74
  4. Step 4: Simplify right side
    55,674.44x = 1,310,103,526.85
  5. Step 5: Solve for x
    x = 1,310,103,526.85/55,674.44
  6. Step 6: Final answer
    x = 23,531.51

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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.