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Finding the Fourth Proportional to 32,953.63, 49,420.21 and 11,890.93

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Solution

The fourth proportional to 32,953.63, 49,420.21 and 11,890.93 is: 17,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,953.63 : 49,420.21 = 11,890.93 : x
  2. Step 2: Convert to fraction form
    32,953.63/49,420.21 = 11,890.93/x
  3. Step 3: Cross multiply
    32,953.63x = 49,420.21 × 11,890.93
  4. Step 4: Simplify right side
    32,953.63x = 587,652,257.70
  5. Step 5: Solve for x
    x = 587,652,257.70/32,953.63
  6. Step 6: Final answer
    x = 17,832.70

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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.