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Finding the Fourth Proportional to 6,257.81, 8,631.81 and 4,368.71

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Solution

The fourth proportional to 6,257.81, 8,631.81 and 4,368.71 is: 6,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.81 : 8,631.81 = 4,368.71 : x
  2. Step 2: Convert to fraction form
    6,257.81/8,631.81 = 4,368.71/x
  3. Step 3: Cross multiply
    6,257.81x = 8,631.81 × 4,368.71
  4. Step 4: Simplify right side
    6,257.81x = 37,709,896.24
  5. Step 5: Solve for x
    x = 37,709,896.24/6,257.81
  6. Step 6: Final answer
    x = 6,026.05

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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.