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Finding the Fourth Proportional to 17,389.62, 26,056.62 and 9,057.42

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Solution

The fourth proportional to 17,389.62, 26,056.62 and 9,057.42 is: 13,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.62 : 26,056.62 = 9,057.42 : x
  2. Step 2: Convert to fraction form
    17,389.62/26,056.62 = 9,057.42/x
  3. Step 3: Cross multiply
    17,389.62x = 26,056.62 × 9,057.42
  4. Step 4: Simplify right side
    17,389.62x = 236,005,751.12
  5. Step 5: Solve for x
    x = 236,005,751.12/17,389.62
  6. Step 6: Final answer
    x = 13,571.65

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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.