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Finding the Fourth Proportional to 8,927.36, 13,392 and 5,039.36

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Solution

The fourth proportional to 8,927.36, 13,392 and 5,039.36 is: 7,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.36 : 13,392 = 5,039.36 : x
  2. Step 2: Convert to fraction form
    8,927.36/13,392 = 5,039.36/x
  3. Step 3: Cross multiply
    8,927.36x = 13,392 × 5,039.36
  4. Step 4: Simplify right side
    8,927.36x = 67,487,109.12
  5. Step 5: Solve for x
    x = 67,487,109.12/8,927.36
  6. Step 6: Final answer
    x = 7,559.58

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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.