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Finding the Fourth Proportional to 6,208.89, 8,562.46 and 4,790.34

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Solution

The fourth proportional to 6,208.89, 8,562.46 and 4,790.34 is: 6,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.89 : 8,562.46 = 4,790.34 : x
  2. Step 2: Convert to fraction form
    6,208.89/8,562.46 = 4,790.34/x
  3. Step 3: Cross multiply
    6,208.89x = 8,562.46 × 4,790.34
  4. Step 4: Simplify right side
    6,208.89x = 41,017,094.64
  5. Step 5: Solve for x
    x = 41,017,094.64/6,208.89
  6. Step 6: Final answer
    x = 6,606.19

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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.