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Finding the Fourth Proportional to 6,253.65, 8,621.58 and 4,011.63

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Solution

The fourth proportional to 6,253.65, 8,621.58 and 4,011.63 is: 5,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.65 : 8,621.58 = 4,011.63 : x
  2. Step 2: Convert to fraction form
    6,253.65/8,621.58 = 4,011.63/x
  3. Step 3: Cross multiply
    6,253.65x = 8,621.58 × 4,011.63
  4. Step 4: Simplify right side
    6,253.65x = 34,586,571.69
  5. Step 5: Solve for x
    x = 34,586,571.69/6,253.65
  6. Step 6: Final answer
    x = 5,530.62

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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.