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Finding the Fourth Proportional to 17,967.02, 26,938.88 and 7,434.18

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Solution

The fourth proportional to 17,967.02, 26,938.88 and 7,434.18 is: 11,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.02 : 26,938.88 = 7,434.18 : x
  2. Step 2: Convert to fraction form
    17,967.02/26,938.88 = 7,434.18/x
  3. Step 3: Cross multiply
    17,967.02x = 26,938.88 × 7,434.18
  4. Step 4: Simplify right side
    17,967.02x = 200,268,473.63
  5. Step 5: Solve for x
    x = 200,268,473.63/17,967.02
  6. Step 6: Final answer
    x = 11,146.45

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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.