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Finding the Fourth Proportional to 7,884.27, 10,880.42 and 4,347.27

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Solution

The fourth proportional to 7,884.27, 10,880.42 and 4,347.27 is: 5,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.27 : 10,880.42 = 4,347.27 : x
  2. Step 2: Convert to fraction form
    7,884.27/10,880.42 = 4,347.27/x
  3. Step 3: Cross multiply
    7,884.27x = 10,880.42 × 4,347.27
  4. Step 4: Simplify right side
    7,884.27x = 47,300,060.92
  5. Step 5: Solve for x
    x = 47,300,060.92/7,884.27
  6. Step 6: Final answer
    x = 5,999.30

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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.