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Finding the Fourth Proportional to 18,114.66, 27,172.80 and 4,966.74

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Solution

The fourth proportional to 18,114.66, 27,172.80 and 4,966.74 is: 7,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.66 : 27,172.80 = 4,966.74 : x
  2. Step 2: Convert to fraction form
    18,114.66/27,172.80 = 4,966.74/x
  3. Step 3: Cross multiply
    18,114.66x = 27,172.80 × 4,966.74
  4. Step 4: Simplify right side
    18,114.66x = 134,960,232.67
  5. Step 5: Solve for x
    x = 134,960,232.67/18,114.66
  6. Step 6: Final answer
    x = 7,450.33

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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.