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Finding the Fourth Proportional to 53,334.68, 80,002 and 15,893.78

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Solution

The fourth proportional to 53,334.68, 80,002 and 15,893.78 is: 23,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,334.68 : 80,002 = 15,893.78 : x
  2. Step 2: Convert to fraction form
    53,334.68/80,002 = 15,893.78/x
  3. Step 3: Cross multiply
    53,334.68x = 80,002 × 15,893.78
  4. Step 4: Simplify right side
    53,334.68x = 1,271,534,187.56
  5. Step 5: Solve for x
    x = 1,271,534,187.56/53,334.68
  6. Step 6: Final answer
    x = 23,840.66

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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.