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Finding the Fourth Proportional to 12,237.63, 16,887.92 and 7,269.63

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Solution

The fourth proportional to 12,237.63, 16,887.92 and 7,269.63 is: 10,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.63 : 16,887.92 = 7,269.63 : x
  2. Step 2: Convert to fraction form
    12,237.63/16,887.92 = 7,269.63/x
  3. Step 3: Cross multiply
    12,237.63x = 16,887.92 × 7,269.63
  4. Step 4: Simplify right side
    12,237.63x = 122,768,929.87
  5. Step 5: Solve for x
    x = 122,768,929.87/12,237.63
  6. Step 6: Final answer
    x = 10,032.08

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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.