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Finding the Fourth Proportional to 14,533.91, 21,765.80 and 8,274.93

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Solution

The fourth proportional to 14,533.91, 21,765.80 and 8,274.93 is: 12,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,533.91 : 21,765.80 = 8,274.93 : x
  2. Step 2: Convert to fraction form
    14,533.91/21,765.80 = 8,274.93/x
  3. Step 3: Cross multiply
    14,533.91x = 21,765.80 × 8,274.93
  4. Step 4: Simplify right side
    14,533.91x = 180,110,471.39
  5. Step 5: Solve for x
    x = 180,110,471.39/14,533.91
  6. Step 6: Final answer
    x = 12,392.43

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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.