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Finding the Fourth Proportional to 36,211.60, 50,730.80 and 36,211.60

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Solution

The fourth proportional to 36,211.60, 50,730.80 and 36,211.60 is: 50,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211.60 : 50,730.80 = 36,211.60 : x
  2. Step 2: Convert to fraction form
    36,211.60/50,730.80 = 36,211.60/x
  3. Step 3: Cross multiply
    36,211.60x = 50,730.80 × 36,211.60
  4. Step 4: Simplify right side
    36,211.60x = 1,837,043,437.28
  5. Step 5: Solve for x
    x = 1,837,043,437.28/36,211.60
  6. Step 6: Final answer
    x = 50,730.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.