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Finding the Fourth Proportional to 17,031.70, 25,559.70 and 9,628.30

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Solution

The fourth proportional to 17,031.70, 25,559.70 and 9,628.30 is: 14,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.70 : 25,559.70 = 9,628.30 : x
  2. Step 2: Convert to fraction form
    17,031.70/25,559.70 = 9,628.30/x
  3. Step 3: Cross multiply
    17,031.70x = 25,559.70 × 9,628.30
  4. Step 4: Simplify right side
    17,031.70x = 246,096,459.51
  5. Step 5: Solve for x
    x = 246,096,459.51/17,031.70
  6. Step 6: Final answer
    x = 14,449.32

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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.