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Finding the Fourth Proportional to 14,933.92, 20,601.92 and 8,955.22

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Solution

The fourth proportional to 14,933.92, 20,601.92 and 8,955.22 is: 12,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.92 : 20,601.92 = 8,955.22 : x
  2. Step 2: Convert to fraction form
    14,933.92/20,601.92 = 8,955.22/x
  3. Step 3: Cross multiply
    14,933.92x = 20,601.92 × 8,955.22
  4. Step 4: Simplify right side
    14,933.92x = 184,494,681.25
  5. Step 5: Solve for x
    x = 184,494,681.25/14,933.92
  6. Step 6: Final answer
    x = 12,354.07

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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.