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Finding the Fourth Proportional to 6,362.37, 8,779.12 and 3,709.28

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Solution

The fourth proportional to 6,362.37, 8,779.12 and 3,709.28 is: 5,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.37 : 8,779.12 = 3,709.28 : x
  2. Step 2: Convert to fraction form
    6,362.37/8,779.12 = 3,709.28/x
  3. Step 3: Cross multiply
    6,362.37x = 8,779.12 × 3,709.28
  4. Step 4: Simplify right side
    6,362.37x = 32,564,226.91
  5. Step 5: Solve for x
    x = 32,564,226.91/6,362.37
  6. Step 6: Final answer
    x = 5,118.25

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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.