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Finding the Fourth Proportional to 8,888.36, 12,255.37 and 5,899.46

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Solution

The fourth proportional to 8,888.36, 12,255.37 and 5,899.46 is: 8,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.36 : 12,255.37 = 5,899.46 : x
  2. Step 2: Convert to fraction form
    8,888.36/12,255.37 = 5,899.46/x
  3. Step 3: Cross multiply
    8,888.36x = 12,255.37 × 5,899.46
  4. Step 4: Simplify right side
    8,888.36x = 72,299,989.07
  5. Step 5: Solve for x
    x = 72,299,989.07/8,888.36
  6. Step 6: Final answer
    x = 8,134.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.