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Finding the Fourth Proportional to 17,490.34, 26,230.02 and 6,956.20

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Solution

The fourth proportional to 17,490.34, 26,230.02 and 6,956.20 is: 10,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.34 : 26,230.02 = 6,956.20 : x
  2. Step 2: Convert to fraction form
    17,490.34/26,230.02 = 6,956.20/x
  3. Step 3: Cross multiply
    17,490.34x = 26,230.02 × 6,956.20
  4. Step 4: Simplify right side
    17,490.34x = 182,461,265.12
  5. Step 5: Solve for x
    x = 182,461,265.12/17,490.34
  6. Step 6: Final answer
    x = 10,432.12

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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.