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Finding the Fourth Proportional to 18,583.16, 25,644.16 and 10,625.24

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Solution

The fourth proportional to 18,583.16, 25,644.16 and 10,625.24 is: 14,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.16 : 25,644.16 = 10,625.24 : x
  2. Step 2: Convert to fraction form
    18,583.16/25,644.16 = 10,625.24/x
  3. Step 3: Cross multiply
    18,583.16x = 25,644.16 × 10,625.24
  4. Step 4: Simplify right side
    18,583.16x = 272,475,354.60
  5. Step 5: Solve for x
    x = 272,475,354.60/18,583.16
  6. Step 6: Final answer
    x = 14,662.49

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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.