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Finding the Fourth Proportional to 8,880.94, 13,336.48 and 5,938.31

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Solution

The fourth proportional to 8,880.94, 13,336.48 and 5,938.31 is: 8,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.94 : 13,336.48 = 5,938.31 : x
  2. Step 2: Convert to fraction form
    8,880.94/13,336.48 = 5,938.31/x
  3. Step 3: Cross multiply
    8,880.94x = 13,336.48 × 5,938.31
  4. Step 4: Simplify right side
    8,880.94x = 79,196,193.31
  5. Step 5: Solve for x
    x = 79,196,193.31/8,880.94
  6. Step 6: Final answer
    x = 8,917.55

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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.