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Finding the Fourth Proportional to 18,008.58, 24,822.09 and 12,038.07

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Solution

The fourth proportional to 18,008.58, 24,822.09 and 12,038.07 is: 16,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.58 : 24,822.09 = 12,038.07 : x
  2. Step 2: Convert to fraction form
    18,008.58/24,822.09 = 12,038.07/x
  3. Step 3: Cross multiply
    18,008.58x = 24,822.09 × 12,038.07
  4. Step 4: Simplify right side
    18,008.58x = 298,810,025.01
  5. Step 5: Solve for x
    x = 298,810,025.01/18,008.58
  6. Step 6: Final answer
    x = 16,592.65

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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.