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Finding the Fourth Proportional to 14,610.32, 21,887.80 and 8,674.64

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Solution

The fourth proportional to 14,610.32, 21,887.80 and 8,674.64 is: 12,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.32 : 21,887.80 = 8,674.64 : x
  2. Step 2: Convert to fraction form
    14,610.32/21,887.80 = 8,674.64/x
  3. Step 3: Cross multiply
    14,610.32x = 21,887.80 × 8,674.64
  4. Step 4: Simplify right side
    14,610.32x = 189,868,785.39
  5. Step 5: Solve for x
    x = 189,868,785.39/14,610.32
  6. Step 6: Final answer
    x = 12,995.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.