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Finding the Fourth Proportional to 7,602.47, 11,382.71 and 3,896.72

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Solution

The fourth proportional to 7,602.47, 11,382.71 and 3,896.72 is: 5,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.47 : 11,382.71 = 3,896.72 : x
  2. Step 2: Convert to fraction form
    7,602.47/11,382.71 = 3,896.72/x
  3. Step 3: Cross multiply
    7,602.47x = 11,382.71 × 3,896.72
  4. Step 4: Simplify right side
    7,602.47x = 44,355,157.31
  5. Step 5: Solve for x
    x = 44,355,157.31/7,602.47
  6. Step 6: Final answer
    x = 5,834.31

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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.