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Finding the Fourth Proportional to 29,376.61, 40,544.90 and 16,630.52

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Solution

The fourth proportional to 29,376.61, 40,544.90 and 16,630.52 is: 22,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.61 : 40,544.90 = 16,630.52 : x
  2. Step 2: Convert to fraction form
    29,376.61/40,544.90 = 16,630.52/x
  3. Step 3: Cross multiply
    29,376.61x = 40,544.90 × 16,630.52
  4. Step 4: Simplify right side
    29,376.61x = 674,282,770.35
  5. Step 5: Solve for x
    x = 674,282,770.35/29,376.61
  6. Step 6: Final answer
    x = 22,953.05

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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.