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Finding the Fourth Proportional to 27,250.70, 37,604.78 and 15,313.78

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Solution

The fourth proportional to 27,250.70, 37,604.78 and 15,313.78 is: 21,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,250.70 : 37,604.78 = 15,313.78 : x
  2. Step 2: Convert to fraction form
    27,250.70/37,604.78 = 15,313.78/x
  3. Step 3: Cross multiply
    27,250.70x = 37,604.78 × 15,313.78
  4. Step 4: Simplify right side
    27,250.70x = 575,871,504.57
  5. Step 5: Solve for x
    x = 575,871,504.57/27,250.70
  6. Step 6: Final answer
    x = 21,132.35

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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.