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Finding the Fourth Proportional to 8,888.86, 12,256.06 and 5,899.96

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Solution

The fourth proportional to 8,888.86, 12,256.06 and 5,899.96 is: 8,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.86 : 12,256.06 = 5,899.96 : x
  2. Step 2: Convert to fraction form
    8,888.86/12,256.06 = 5,899.96/x
  3. Step 3: Cross multiply
    8,888.86x = 12,256.06 × 5,899.96
  4. Step 4: Simplify right side
    8,888.86x = 72,310,172.98
  5. Step 5: Solve for x
    x = 72,310,172.98/8,888.86
  6. Step 6: Final answer
    x = 8,134.93

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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.