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Finding the Fourth Proportional to 4,961.08, 7,437.30 and 4,235.32

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Solution

The fourth proportional to 4,961.08, 7,437.30 and 4,235.32 is: 6,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.08 : 7,437.30 = 4,235.32 : x
  2. Step 2: Convert to fraction form
    4,961.08/7,437.30 = 4,235.32/x
  3. Step 3: Cross multiply
    4,961.08x = 7,437.30 × 4,235.32
  4. Step 4: Simplify right side
    4,961.08x = 31,499,345.44
  5. Step 5: Solve for x
    x = 31,499,345.44/4,961.08
  6. Step 6: Final answer
    x = 6,349.29

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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.