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Finding the Fourth Proportional to 75,343.79, 113,011.97 and 27,968.10

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Solution

The fourth proportional to 75,343.79, 113,011.97 and 27,968.10 is: 41,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,343.79 : 113,011.97 = 27,968.10 : x
  2. Step 2: Convert to fraction form
    75,343.79/113,011.97 = 27,968.10/x
  3. Step 3: Cross multiply
    75,343.79x = 113,011.97 × 27,968.10
  4. Step 4: Simplify right side
    75,343.79x = 3,160,729,938.32
  5. Step 5: Solve for x
    x = 3,160,729,938.32/75,343.79
  6. Step 6: Final answer
    x = 41,950.77

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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.