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Finding the Fourth Proportional to 37,249.79, 51,404.70 and 20,482.79

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Solution

The fourth proportional to 37,249.79, 51,404.70 and 20,482.79 is: 28,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,249.79 : 51,404.70 = 20,482.79 : x
  2. Step 2: Convert to fraction form
    37,249.79/51,404.70 = 20,482.79/x
  3. Step 3: Cross multiply
    37,249.79x = 51,404.70 × 20,482.79
  4. Step 4: Simplify right side
    37,249.79x = 1,052,911,418.09
  5. Step 5: Solve for x
    x = 1,052,911,418.09/37,249.79
  6. Step 6: Final answer
    x = 28,266.24

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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.