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Finding the Fourth Proportional to 51,994.96, 77,952.68 and 43,082.92

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Solution

The fourth proportional to 51,994.96, 77,952.68 and 43,082.92 is: 64,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.96 : 77,952.68 = 43,082.92 : x
  2. Step 2: Convert to fraction form
    51,994.96/77,952.68 = 43,082.92/x
  3. Step 3: Cross multiply
    51,994.96x = 77,952.68 × 43,082.92
  4. Step 4: Simplify right side
    51,994.96x = 3,358,429,076.23
  5. Step 5: Solve for x
    x = 3,358,429,076.23/51,994.96
  6. Step 6: Final answer
    x = 64,591.43

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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.