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Finding the Fourth Proportional to 36,797.50, 50,780.55 and 20,030.50

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Solution

The fourth proportional to 36,797.50, 50,780.55 and 20,030.50 is: 27,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,797.50 : 50,780.55 = 20,030.50 : x
  2. Step 2: Convert to fraction form
    36,797.50/50,780.55 = 20,030.50/x
  3. Step 3: Cross multiply
    36,797.50x = 50,780.55 × 20,030.50
  4. Step 4: Simplify right side
    36,797.50x = 1,017,159,806.78
  5. Step 5: Solve for x
    x = 1,017,159,806.78/36,797.50
  6. Step 6: Final answer
    x = 27,642.09

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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.