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Finding the Fourth Proportional to 17,628.56, 26,425.56 and 7,246.16

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Solution

The fourth proportional to 17,628.56, 26,425.56 and 7,246.16 is: 10,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.56 : 26,425.56 = 7,246.16 : x
  2. Step 2: Convert to fraction form
    17,628.56/26,425.56 = 7,246.16/x
  3. Step 3: Cross multiply
    17,628.56x = 26,425.56 × 7,246.16
  4. Step 4: Simplify right side
    17,628.56x = 191,483,835.85
  5. Step 5: Solve for x
    x = 191,483,835.85/17,628.56
  6. Step 6: Final answer
    x = 10,862.14

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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.