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Finding the Fourth Proportional to 32,339.90, 48,505.80 and 11,276.12

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Solution

The fourth proportional to 32,339.90, 48,505.80 and 11,276.12 is: 16,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,339.90 : 48,505.80 = 11,276.12 : x
  2. Step 2: Convert to fraction form
    32,339.90/48,505.80 = 11,276.12/x
  3. Step 3: Cross multiply
    32,339.90x = 48,505.80 × 11,276.12
  4. Step 4: Simplify right side
    32,339.90x = 546,957,221.50
  5. Step 5: Solve for x
    x = 546,957,221.50/32,339.90
  6. Step 6: Final answer
    x = 16,912.77

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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.