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Finding the Fourth Proportional to 8,914.86, 13,368.20 and 2,588.30

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Solution

The fourth proportional to 8,914.86, 13,368.20 and 2,588.30 is: 3,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.86 : 13,368.20 = 2,588.30 : x
  2. Step 2: Convert to fraction form
    8,914.86/13,368.20 = 2,588.30/x
  3. Step 3: Cross multiply
    8,914.86x = 13,368.20 × 2,588.30
  4. Step 4: Simplify right side
    8,914.86x = 34,600,912.06
  5. Step 5: Solve for x
    x = 34,600,912.06/8,914.86
  6. Step 6: Final answer
    x = 3,881.26

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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.