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Finding the Fourth Proportional to 15,674.60, 23,511.92 and 5,293.64

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Solution

The fourth proportional to 15,674.60, 23,511.92 and 5,293.64 is: 7,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.60 : 23,511.92 = 5,293.64 : x
  2. Step 2: Convert to fraction form
    15,674.60/23,511.92 = 5,293.64/x
  3. Step 3: Cross multiply
    15,674.60x = 23,511.92 × 5,293.64
  4. Step 4: Simplify right side
    15,674.60x = 124,463,640.19
  5. Step 5: Solve for x
    x = 124,463,640.19/15,674.60
  6. Step 6: Final answer
    x = 7,940.47

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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.