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Finding the Fourth Proportional to 52,400.99, 72,361.40 and 33,286.95

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Solution

The fourth proportional to 52,400.99, 72,361.40 and 33,286.95 is: 45,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.99 : 72,361.40 = 33,286.95 : x
  2. Step 2: Convert to fraction form
    52,400.99/72,361.40 = 33,286.95/x
  3. Step 3: Cross multiply
    52,400.99x = 72,361.40 × 33,286.95
  4. Step 4: Simplify right side
    52,400.99x = 2,408,689,941.92
  5. Step 5: Solve for x
    x = 2,408,689,941.92/52,400.99
  6. Step 6: Final answer
    x = 45,966.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.