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Finding the Fourth Proportional to 18,000.54, 24,830.40 and 10,825.50

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Solution

The fourth proportional to 18,000.54, 24,830.40 and 10,825.50 is: 14,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.54 : 24,830.40 = 10,825.50 : x
  2. Step 2: Convert to fraction form
    18,000.54/24,830.40 = 10,825.50/x
  3. Step 3: Cross multiply
    18,000.54x = 24,830.40 × 10,825.50
  4. Step 4: Simplify right side
    18,000.54x = 268,801,495.20
  5. Step 5: Solve for x
    x = 268,801,495.20/18,000.54
  6. Step 6: Final answer
    x = 14,932.97

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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.