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Finding the Fourth Proportional to 58,894.53, 88,340.43 and 18,913.44

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Solution

The fourth proportional to 58,894.53, 88,340.43 and 18,913.44 is: 28,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,894.53 : 88,340.43 = 18,913.44 : x
  2. Step 2: Convert to fraction form
    58,894.53/88,340.43 = 18,913.44/x
  3. Step 3: Cross multiply
    58,894.53x = 88,340.43 × 18,913.44
  4. Step 4: Simplify right side
    58,894.53x = 1,670,820,980.68
  5. Step 5: Solve for x
    x = 1,670,820,980.68/58,894.53
  6. Step 6: Final answer
    x = 28,369.71

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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.