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Finding the Fourth Proportional to 16,482.54, 22,745.64 and 9,409.08

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Solution

The fourth proportional to 16,482.54, 22,745.64 and 9,409.08 is: 12,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.54 : 22,745.64 = 9,409.08 : x
  2. Step 2: Convert to fraction form
    16,482.54/22,745.64 = 9,409.08/x
  3. Step 3: Cross multiply
    16,482.54x = 22,745.64 × 9,409.08
  4. Step 4: Simplify right side
    16,482.54x = 214,015,546.41
  5. Step 5: Solve for x
    x = 214,015,546.41/16,482.54
  6. Step 6: Final answer
    x = 12,984.38

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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.