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Finding the Fourth Proportional to 14,922.61, 20,592.65 and 8,548.72

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Solution

The fourth proportional to 14,922.61, 20,592.65 and 8,548.72 is: 11,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.61 : 20,592.65 = 8,548.72 : x
  2. Step 2: Convert to fraction form
    14,922.61/20,592.65 = 8,548.72/x
  3. Step 3: Cross multiply
    14,922.61x = 20,592.65 × 8,548.72
  4. Step 4: Simplify right side
    14,922.61x = 176,040,768.80
  5. Step 5: Solve for x
    x = 176,040,768.80/14,922.61
  6. Step 6: Final answer
    x = 11,796.92

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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.