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Finding the Fourth Proportional to 29,953, 44,898.78 and 12,433

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Solution

The fourth proportional to 29,953, 44,898.78 and 12,433 is: 18,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,953 : 44,898.78 = 12,433 : x
  2. Step 2: Convert to fraction form
    29,953/44,898.78 = 12,433/x
  3. Step 3: Cross multiply
    29,953x = 44,898.78 × 12,433
  4. Step 4: Simplify right side
    29,953x = 558,226,531.74
  5. Step 5: Solve for x
    x = 558,226,531.74/29,953
  6. Step 6: Final answer
    x = 18,636.75

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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.