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Finding the Fourth Proportional to 36,840.68, 50,840.52 and 20,073.68

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Solution

The fourth proportional to 36,840.68, 50,840.52 and 20,073.68 is: 27,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.68 : 50,840.52 = 20,073.68 : x
  2. Step 2: Convert to fraction form
    36,840.68/50,840.52 = 20,073.68/x
  3. Step 3: Cross multiply
    36,840.68x = 50,840.52 × 20,073.68
  4. Step 4: Simplify right side
    36,840.68x = 1,020,556,329.51
  5. Step 5: Solve for x
    x = 1,020,556,329.51/36,840.68
  6. Step 6: Final answer
    x = 27,701.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.