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Finding the Fourth Proportional to 9,166.88, 13,740.99 and 3,612.60

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Solution

The fourth proportional to 9,166.88, 13,740.99 and 3,612.60 is: 5,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.88 : 13,740.99 = 3,612.60 : x
  2. Step 2: Convert to fraction form
    9,166.88/13,740.99 = 3,612.60/x
  3. Step 3: Cross multiply
    9,166.88x = 13,740.99 × 3,612.60
  4. Step 4: Simplify right side
    9,166.88x = 49,640,700.47
  5. Step 5: Solve for x
    x = 49,640,700.47/9,166.88
  6. Step 6: Final answer
    x = 5,415.23

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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.