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Finding the Fourth Proportional to 5,305.59, 7,964.45 and 4,136.85

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Solution

The fourth proportional to 5,305.59, 7,964.45 and 4,136.85 is: 6,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.59 : 7,964.45 = 4,136.85 : x
  2. Step 2: Convert to fraction form
    5,305.59/7,964.45 = 4,136.85/x
  3. Step 3: Cross multiply
    5,305.59x = 7,964.45 × 4,136.85
  4. Step 4: Simplify right side
    5,305.59x = 32,947,714.30
  5. Step 5: Solve for x
    x = 32,947,714.30/5,305.59
  6. Step 6: Final answer
    x = 6,210.00

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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.