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Finding the Fourth Proportional to 14,953, 22,429.50 and 4,009

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Solution

The fourth proportional to 14,953, 22,429.50 and 4,009 is: 6,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953 : 22,429.50 = 4,009 : x
  2. Step 2: Convert to fraction form
    14,953/22,429.50 = 4,009/x
  3. Step 3: Cross multiply
    14,953x = 22,429.50 × 4,009
  4. Step 4: Simplify right side
    14,953x = 89,919,865.50
  5. Step 5: Solve for x
    x = 89,919,865.50/14,953
  6. Step 6: Final answer
    x = 6,013.50

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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.