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Finding the Fourth Proportional to 1,842.37, 2,542.67 and 1,056.67

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Solution

The fourth proportional to 1,842.37, 2,542.67 and 1,056.67 is: 1,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.37 : 2,542.67 = 1,056.67 : x
  2. Step 2: Convert to fraction form
    1,842.37/2,542.67 = 1,056.67/x
  3. Step 3: Cross multiply
    1,842.37x = 2,542.67 × 1,056.67
  4. Step 4: Simplify right side
    1,842.37x = 2,686,763.11
  5. Step 5: Solve for x
    x = 2,686,763.11/1,842.37
  6. Step 6: Final answer
    x = 1,458.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.