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Finding the Fourth Proportional to 1,851.65, 2,777.49 and 1,035.11

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Solution

The fourth proportional to 1,851.65, 2,777.49 and 1,035.11 is: 1,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.65 : 2,777.49 = 1,035.11 : x
  2. Step 2: Convert to fraction form
    1,851.65/2,777.49 = 1,035.11/x
  3. Step 3: Cross multiply
    1,851.65x = 2,777.49 × 1,035.11
  4. Step 4: Simplify right side
    1,851.65x = 2,874,993.79
  5. Step 5: Solve for x
    x = 2,874,993.79/1,851.65
  6. Step 6: Final answer
    x = 1,552.67

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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.