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Finding the Fourth Proportional to 6,250.95, 8,626.30 and 3,456.45

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Solution

The fourth proportional to 6,250.95, 8,626.30 and 3,456.45 is: 4,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.95 : 8,626.30 = 3,456.45 : x
  2. Step 2: Convert to fraction form
    6,250.95/8,626.30 = 3,456.45/x
  3. Step 3: Cross multiply
    6,250.95x = 8,626.30 × 3,456.45
  4. Step 4: Simplify right side
    6,250.95x = 29,816,374.64
  5. Step 5: Solve for x
    x = 29,816,374.64/6,250.95
  6. Step 6: Final answer
    x = 4,769.89

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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.