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Finding the Fourth Proportional to 6,495.81, 8,958.24 and 4,256.87

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Solution

The fourth proportional to 6,495.81, 8,958.24 and 4,256.87 is: 5,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.81 : 8,958.24 = 4,256.87 : x
  2. Step 2: Convert to fraction form
    6,495.81/8,958.24 = 4,256.87/x
  3. Step 3: Cross multiply
    6,495.81x = 8,958.24 × 4,256.87
  4. Step 4: Simplify right side
    6,495.81x = 38,134,063.11
  5. Step 5: Solve for x
    x = 38,134,063.11/6,495.81
  6. Step 6: Final answer
    x = 5,870.56

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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.