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Finding the Fourth Proportional to 48,445.39, 72,515.80 and 33,364.00

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Solution

The fourth proportional to 48,445.39, 72,515.80 and 33,364.00 is: 49,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.39 : 72,515.80 = 33,364.00 : x
  2. Step 2: Convert to fraction form
    48,445.39/72,515.80 = 33,364.00/x
  3. Step 3: Cross multiply
    48,445.39x = 72,515.80 × 33,364.00
  4. Step 4: Simplify right side
    48,445.39x = 2,419,416,621.80
  5. Step 5: Solve for x
    x = 2,419,416,621.80/48,445.39
  6. Step 6: Final answer
    x = 49,941.12

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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.