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Finding the Fourth Proportional to 77,958.84, 116,950.50 and 33,598.20

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Solution

The fourth proportional to 77,958.84, 116,950.50 and 33,598.20 is: 50,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,958.84 : 116,950.50 = 33,598.20 : x
  2. Step 2: Convert to fraction form
    77,958.84/116,950.50 = 33,598.20/x
  3. Step 3: Cross multiply
    77,958.84x = 116,950.50 × 33,598.20
  4. Step 4: Simplify right side
    77,958.84x = 3,929,326,289.10
  5. Step 5: Solve for x
    x = 3,929,326,289.10/77,958.84
  6. Step 6: Final answer
    x = 50,402.58

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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.