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Finding the Fourth Proportional to 5,980.80, 8,254.16 and 3,462.87

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Solution

The fourth proportional to 5,980.80, 8,254.16 and 3,462.87 is: 4,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.80 : 8,254.16 = 3,462.87 : x
  2. Step 2: Convert to fraction form
    5,980.80/8,254.16 = 3,462.87/x
  3. Step 3: Cross multiply
    5,980.80x = 8,254.16 × 3,462.87
  4. Step 4: Simplify right side
    5,980.80x = 28,583,065.72
  5. Step 5: Solve for x
    x = 28,583,065.72/5,980.80
  6. Step 6: Final answer
    x = 4,779.14

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1.5x scale

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.