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Finding the Fourth Proportional to 27,043.36, 40,561.96 and 7,323.45

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Solution

The fourth proportional to 27,043.36, 40,561.96 and 7,323.45 is: 10,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.36 : 40,561.96 = 7,323.45 : x
  2. Step 2: Convert to fraction form
    27,043.36/40,561.96 = 7,323.45/x
  3. Step 3: Cross multiply
    27,043.36x = 40,561.96 × 7,323.45
  4. Step 4: Simplify right side
    27,043.36x = 297,053,495.25
  5. Step 5: Solve for x
    x = 297,053,495.25/27,043.36
  6. Step 6: Final answer
    x = 10,984.34

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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.