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Finding the Fourth Proportional to 32,953.57, 49,420.13 and 11,890.88

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Solution

The fourth proportional to 32,953.57, 49,420.13 and 11,890.88 is: 17,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,953.57 : 49,420.13 = 11,890.88 : x
  2. Step 2: Convert to fraction form
    32,953.57/49,420.13 = 11,890.88/x
  3. Step 3: Cross multiply
    32,953.57x = 49,420.13 × 11,890.88
  4. Step 4: Simplify right side
    32,953.57x = 587,648,714.18
  5. Step 5: Solve for x
    x = 587,648,714.18/32,953.57
  6. Step 6: Final answer
    x = 17,832.63

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1.5x scale

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.