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Finding the Fourth Proportional to 32,003.70, 48,005.55 and 28,245.30

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Solution

The fourth proportional to 32,003.70, 48,005.55 and 28,245.30 is: 42,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,003.70 : 48,005.55 = 28,245.30 : x
  2. Step 2: Convert to fraction form
    32,003.70/48,005.55 = 28,245.30/x
  3. Step 3: Cross multiply
    32,003.70x = 48,005.55 × 28,245.30
  4. Step 4: Simplify right side
    32,003.70x = 1,355,931,161.42
  5. Step 5: Solve for x
    x = 1,355,931,161.42/32,003.70
  6. Step 6: Final answer
    x = 42,367.95

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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.