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Finding the Fourth Proportional to 8,880.26, 13,369.64 and 7,846.16

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Solution

The fourth proportional to 8,880.26, 13,369.64 and 7,846.16 is: 11,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.26 : 13,369.64 = 7,846.16 : x
  2. Step 2: Convert to fraction form
    8,880.26/13,369.64 = 7,846.16/x
  3. Step 3: Cross multiply
    8,880.26x = 13,369.64 × 7,846.16
  4. Step 4: Simplify right side
    8,880.26x = 104,900,334.58
  5. Step 5: Solve for x
    x = 104,900,334.58/8,880.26
  6. Step 6: Final answer
    x = 11,812.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.