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Finding the Fourth Proportional to 51,993.48, 77,990.16 and 16,933.08

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Solution

The fourth proportional to 51,993.48, 77,990.16 and 16,933.08 is: 25,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.48 : 77,990.16 = 16,933.08 : x
  2. Step 2: Convert to fraction form
    51,993.48/77,990.16 = 16,933.08/x
  3. Step 3: Cross multiply
    51,993.48x = 77,990.16 × 16,933.08
  4. Step 4: Simplify right side
    51,993.48x = 1,320,613,618.49
  5. Step 5: Solve for x
    x = 1,320,613,618.49/51,993.48
  6. Step 6: Final answer
    x = 25,399.60

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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.