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Finding the Fourth Proportional to 17,967.52, 26,935.62 and 7,430.97

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Solution

The fourth proportional to 17,967.52, 26,935.62 and 7,430.97 is: 11,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.52 : 26,935.62 = 7,430.97 : x
  2. Step 2: Convert to fraction form
    17,967.52/26,935.62 = 7,430.97/x
  3. Step 3: Cross multiply
    17,967.52x = 26,935.62 × 7,430.97
  4. Step 4: Simplify right side
    17,967.52x = 200,157,899.09
  5. Step 5: Solve for x
    x = 200,157,899.09/17,967.52
  6. Step 6: Final answer
    x = 11,139.98

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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.