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Finding the Fourth Proportional to 5,886.90, 8,835.48 and 3,115.56

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Solution

The fourth proportional to 5,886.90, 8,835.48 and 3,115.56 is: 4,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.90 : 8,835.48 = 3,115.56 : x
  2. Step 2: Convert to fraction form
    5,886.90/8,835.48 = 3,115.56/x
  3. Step 3: Cross multiply
    5,886.90x = 8,835.48 × 3,115.56
  4. Step 4: Simplify right side
    5,886.90x = 27,527,501.20
  5. Step 5: Solve for x
    x = 27,527,501.20/5,886.90
  6. Step 6: Final answer
    x = 4,676.06

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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.