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Finding the Fourth Proportional to 7,884.88, 10,880.67 and 4,527.16

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Solution

The fourth proportional to 7,884.88, 10,880.67 and 4,527.16 is: 6,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.88 : 10,880.67 = 4,527.16 : x
  2. Step 2: Convert to fraction form
    7,884.88/10,880.67 = 4,527.16/x
  3. Step 3: Cross multiply
    7,884.88x = 10,880.67 × 4,527.16
  4. Step 4: Simplify right side
    7,884.88x = 49,258,534.00
  5. Step 5: Solve for x
    x = 49,258,534.00/7,884.88
  6. Step 6: Final answer
    x = 6,247.21

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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.