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Finding the Fourth Proportional to 5,940.36, 8,909.28 and 3,746.16

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Solution

The fourth proportional to 5,940.36, 8,909.28 and 3,746.16 is: 5,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.36 : 8,909.28 = 3,746.16 : x
  2. Step 2: Convert to fraction form
    5,940.36/8,909.28 = 3,746.16/x
  3. Step 3: Cross multiply
    5,940.36x = 8,909.28 × 3,746.16
  4. Step 4: Simplify right side
    5,940.36x = 33,375,588.36
  5. Step 5: Solve for x
    x = 33,375,588.36/5,940.36
  6. Step 6: Final answer
    x = 5,618.45

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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.