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Finding the Fourth Proportional to 5,940.51, 8,911.00 and 2,653.63

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Solution

The fourth proportional to 5,940.51, 8,911.00 and 2,653.63 is: 3,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.51 : 8,911.00 = 2,653.63 : x
  2. Step 2: Convert to fraction form
    5,940.51/8,911.00 = 2,653.63/x
  3. Step 3: Cross multiply
    5,940.51x = 8,911.00 × 2,653.63
  4. Step 4: Simplify right side
    5,940.51x = 23,646,513.17
  5. Step 5: Solve for x
    x = 23,646,513.17/5,940.51
  6. Step 6: Final answer
    x = 3,980.55

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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.