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Finding the Fourth Proportional to 18,038.94, 27,061.29 and 5,555.94

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Solution

The fourth proportional to 18,038.94, 27,061.29 and 5,555.94 is: 8,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.94 : 27,061.29 = 5,555.94 : x
  2. Step 2: Convert to fraction form
    18,038.94/27,061.29 = 5,555.94/x
  3. Step 3: Cross multiply
    18,038.94x = 27,061.29 × 5,555.94
  4. Step 4: Simplify right side
    18,038.94x = 150,350,903.56
  5. Step 5: Solve for x
    x = 150,350,903.56/18,038.94
  6. Step 6: Final answer
    x = 8,334.80

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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.