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Finding the Fourth Proportional to 36,005.10, 50,290.50 and 36,005.10

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Solution

The fourth proportional to 36,005.10, 50,290.50 and 36,005.10 is: 50,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.10 : 50,290.50 = 36,005.10 : x
  2. Step 2: Convert to fraction form
    36,005.10/50,290.50 = 36,005.10/x
  3. Step 3: Cross multiply
    36,005.10x = 50,290.50 × 36,005.10
  4. Step 4: Simplify right side
    36,005.10x = 1,810,714,481.55
  5. Step 5: Solve for x
    x = 1,810,714,481.55/36,005.10
  6. Step 6: Final answer
    x = 50,290.50

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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.