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Finding the Fourth Proportional to 27,381.45, 37,799.08 and 16,049.45

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Solution

The fourth proportional to 27,381.45, 37,799.08 and 16,049.45 is: 22,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.45 : 37,799.08 = 16,049.45 : x
  2. Step 2: Convert to fraction form
    27,381.45/37,799.08 = 16,049.45/x
  3. Step 3: Cross multiply
    27,381.45x = 37,799.08 × 16,049.45
  4. Step 4: Simplify right side
    27,381.45x = 606,654,444.51
  5. Step 5: Solve for x
    x = 606,654,444.51/27,381.45
  6. Step 6: Final answer
    x = 22,155.67

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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.