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Finding the Fourth Proportional to 73,660.28, 110,490.34 and 18,256.28

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Solution

The fourth proportional to 73,660.28, 110,490.34 and 18,256.28 is: 27,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,660.28 : 110,490.34 = 18,256.28 : x
  2. Step 2: Convert to fraction form
    73,660.28/110,490.34 = 18,256.28/x
  3. Step 3: Cross multiply
    73,660.28x = 110,490.34 × 18,256.28
  4. Step 4: Simplify right side
    73,660.28x = 2,017,142,584.34
  5. Step 5: Solve for x
    x = 2,017,142,584.34/73,660.28
  6. Step 6: Final answer
    x = 27,384.40

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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.