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Finding the Fourth Proportional to 6,467.48, 8,928.50 and 4,354.12

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Solution

The fourth proportional to 6,467.48, 8,928.50 and 4,354.12 is: 6,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.48 : 8,928.50 = 4,354.12 : x
  2. Step 2: Convert to fraction form
    6,467.48/8,928.50 = 4,354.12/x
  3. Step 3: Cross multiply
    6,467.48x = 8,928.50 × 4,354.12
  4. Step 4: Simplify right side
    6,467.48x = 38,875,760.42
  5. Step 5: Solve for x
    x = 38,875,760.42/6,467.48
  6. Step 6: Final answer
    x = 6,010.96

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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.