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Finding the Fourth Proportional to 5,942.99, 8,914.80 and 5,071.58

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Solution

The fourth proportional to 5,942.99, 8,914.80 and 5,071.58 is: 7,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.99 : 8,914.80 = 5,071.58 : x
  2. Step 2: Convert to fraction form
    5,942.99/8,914.80 = 5,071.58/x
  3. Step 3: Cross multiply
    5,942.99x = 8,914.80 × 5,071.58
  4. Step 4: Simplify right side
    5,942.99x = 45,212,121.38
  5. Step 5: Solve for x
    x = 45,212,121.38/5,942.99
  6. Step 6: Final answer
    x = 7,607.64

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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.