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Finding the Fourth Proportional to 27,525.56, 37,984.02 and 15,427.08

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Solution

The fourth proportional to 27,525.56, 37,984.02 and 15,427.08 is: 21,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,525.56 : 37,984.02 = 15,427.08 : x
  2. Step 2: Convert to fraction form
    27,525.56/37,984.02 = 15,427.08/x
  3. Step 3: Cross multiply
    27,525.56x = 37,984.02 × 15,427.08
  4. Step 4: Simplify right side
    27,525.56x = 585,982,515.26
  5. Step 5: Solve for x
    x = 585,982,515.26/27,525.56
  6. Step 6: Final answer
    x = 21,288.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.