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Finding the Fourth Proportional to 5,835.79, 8,751.77 and 1,886.12

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Solution

The fourth proportional to 5,835.79, 8,751.77 and 1,886.12 is: 2,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,835.79 : 8,751.77 = 1,886.12 : x
  2. Step 2: Convert to fraction form
    5,835.79/8,751.77 = 1,886.12/x
  3. Step 3: Cross multiply
    5,835.79x = 8,751.77 × 1,886.12
  4. Step 4: Simplify right side
    5,835.79x = 16,506,888.43
  5. Step 5: Solve for x
    x = 16,506,888.43/5,835.79
  6. Step 6: Final answer
    x = 2,828.56

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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.