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Finding the Fourth Proportional to 8,933.58, 13,400.37 and 5,261.40

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Solution

The fourth proportional to 8,933.58, 13,400.37 and 5,261.40 is: 7,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.58 : 13,400.37 = 5,261.40 : x
  2. Step 2: Convert to fraction form
    8,933.58/13,400.37 = 5,261.40/x
  3. Step 3: Cross multiply
    8,933.58x = 13,400.37 × 5,261.40
  4. Step 4: Simplify right side
    8,933.58x = 70,504,706.72
  5. Step 5: Solve for x
    x = 70,504,706.72/8,933.58
  6. Step 6: Final answer
    x = 7,892.10

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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.