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Finding the Fourth Proportional to 76,614.88, 114,897.57 and 27,921.24

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Solution

The fourth proportional to 76,614.88, 114,897.57 and 27,921.24 is: 41,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,614.88 : 114,897.57 = 27,921.24 : x
  2. Step 2: Convert to fraction form
    76,614.88/114,897.57 = 27,921.24/x
  3. Step 3: Cross multiply
    76,614.88x = 114,897.57 × 27,921.24
  4. Step 4: Simplify right side
    76,614.88x = 3,208,082,627.39
  5. Step 5: Solve for x
    x = 3,208,082,627.39/76,614.88
  6. Step 6: Final answer
    x = 41,872.84

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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.