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Finding the Fourth Proportional to 12,495.57, 17,237.05 and 8,014.33

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Solution

The fourth proportional to 12,495.57, 17,237.05 and 8,014.33 is: 11,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.57 : 17,237.05 = 8,014.33 : x
  2. Step 2: Convert to fraction form
    12,495.57/17,237.05 = 8,014.33/x
  3. Step 3: Cross multiply
    12,495.57x = 17,237.05 × 8,014.33
  4. Step 4: Simplify right side
    12,495.57x = 138,143,406.93
  5. Step 5: Solve for x
    x = 138,143,406.93/12,495.57
  6. Step 6: Final answer
    x = 11,055.39

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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.