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Finding the Fourth Proportional to 50,681.60, 76,015.20 and 17,403.20

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Solution

The fourth proportional to 50,681.60, 76,015.20 and 17,403.20 is: 26,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.60 : 76,015.20 = 17,403.20 : x
  2. Step 2: Convert to fraction form
    50,681.60/76,015.20 = 17,403.20/x
  3. Step 3: Cross multiply
    50,681.60x = 76,015.20 × 17,403.20
  4. Step 4: Simplify right side
    50,681.60x = 1,322,907,728.64
  5. Step 5: Solve for x
    x = 1,322,907,728.64/50,681.60
  6. Step 6: Final answer
    x = 26,102.33

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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.