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Finding the Fourth Proportional to 18,137.88, 25,030.98 and 10,582.98

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Solution

The fourth proportional to 18,137.88, 25,030.98 and 10,582.98 is: 14,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.88 : 25,030.98 = 10,582.98 : x
  2. Step 2: Convert to fraction form
    18,137.88/25,030.98 = 10,582.98/x
  3. Step 3: Cross multiply
    18,137.88x = 25,030.98 × 10,582.98
  4. Step 4: Simplify right side
    18,137.88x = 264,902,360.72
  5. Step 5: Solve for x
    x = 264,902,360.72/18,137.88
  6. Step 6: Final answer
    x = 14,604.92

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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.