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Finding the Fourth Proportional to 53,297.68, 79,938.52 and 33,515.92

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Solution

The fourth proportional to 53,297.68, 79,938.52 and 33,515.92 is: 50,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.68 : 79,938.52 = 33,515.92 : x
  2. Step 2: Convert to fraction form
    53,297.68/79,938.52 = 33,515.92/x
  3. Step 3: Cross multiply
    53,297.68x = 79,938.52 × 33,515.92
  4. Step 4: Simplify right side
    53,297.68x = 2,679,213,041.24
  5. Step 5: Solve for x
    x = 2,679,213,041.24/53,297.68
  6. Step 6: Final answer
    x = 50,268.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.