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Finding the Fourth Proportional to 76,593.70, 114,893.64 and 26,678.84

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Solution

The fourth proportional to 76,593.70, 114,893.64 and 26,678.84 is: 40,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,593.70 : 114,893.64 = 26,678.84 : x
  2. Step 2: Convert to fraction form
    76,593.70/114,893.64 = 26,678.84/x
  3. Step 3: Cross multiply
    76,593.70x = 114,893.64 × 26,678.84
  4. Step 4: Simplify right side
    76,593.70x = 3,065,229,433.52
  5. Step 5: Solve for x
    x = 3,065,229,433.52/76,593.70
  6. Step 6: Final answer
    x = 40,019.34

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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.