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Finding the Fourth Proportional to 16,614.63, 24,921.95 and 4,927.75

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Solution

The fourth proportional to 16,614.63, 24,921.95 and 4,927.75 is: 7,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,614.63 : 24,921.95 = 4,927.75 : x
  2. Step 2: Convert to fraction form
    16,614.63/24,921.95 = 4,927.75/x
  3. Step 3: Cross multiply
    16,614.63x = 24,921.95 × 4,927.75
  4. Step 4: Simplify right side
    16,614.63x = 122,809,139.11
  5. Step 5: Solve for x
    x = 122,809,139.11/16,614.63
  6. Step 6: Final answer
    x = 7,391.63

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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.