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Finding the Fourth Proportional to 11,482.99, 17,222.46 and 3,160.99

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Solution

The fourth proportional to 11,482.99, 17,222.46 and 3,160.99 is: 4,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.99 : 17,222.46 = 3,160.99 : x
  2. Step 2: Convert to fraction form
    11,482.99/17,222.46 = 3,160.99/x
  3. Step 3: Cross multiply
    11,482.99x = 17,222.46 × 3,160.99
  4. Step 4: Simplify right side
    11,482.99x = 54,440,023.84
  5. Step 5: Solve for x
    x = 54,440,023.84/11,482.99
  6. Step 6: Final answer
    x = 4,740.93

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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.