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Finding the Fourth Proportional to 50,304.80, 75,464.40 and 17,019.20

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Solution

The fourth proportional to 50,304.80, 75,464.40 and 17,019.20 is: 25,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,304.80 : 75,464.40 = 17,019.20 : x
  2. Step 2: Convert to fraction form
    50,304.80/75,464.40 = 17,019.20/x
  3. Step 3: Cross multiply
    50,304.80x = 75,464.40 × 17,019.20
  4. Step 4: Simplify right side
    50,304.80x = 1,284,343,716.48
  5. Step 5: Solve for x
    x = 1,284,343,716.48/50,304.80
  6. Step 6: Final answer
    x = 25,531.24

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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.