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Finding the Fourth Proportional to 32,890.30, 49,335.34 and 11,830.30

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Solution

The fourth proportional to 32,890.30, 49,335.34 and 11,830.30 is: 17,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.30 : 49,335.34 = 11,830.30 : x
  2. Step 2: Convert to fraction form
    32,890.30/49,335.34 = 11,830.30/x
  3. Step 3: Cross multiply
    32,890.30x = 49,335.34 × 11,830.30
  4. Step 4: Simplify right side
    32,890.30x = 583,651,872.80
  5. Step 5: Solve for x
    x = 583,651,872.80/32,890.30
  6. Step 6: Final answer
    x = 17,745.41

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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.