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Finding the Fourth Proportional to 50,670, 76,015.08 and 15,608.16

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Solution

The fourth proportional to 50,670, 76,015.08 and 15,608.16 is: 23,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,670 : 76,015.08 = 15,608.16 : x
  2. Step 2: Convert to fraction form
    50,670/76,015.08 = 15,608.16/x
  3. Step 3: Cross multiply
    50,670x = 76,015.08 × 15,608.16
  4. Step 4: Simplify right side
    50,670x = 1,186,455,531.05
  5. Step 5: Solve for x
    x = 1,186,455,531.05/50,670
  6. Step 6: Final answer
    x = 23,415.34

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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.