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Finding the Fourth Proportional to 51,418.53, 70,936.70 and 33,507

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Solution

The fourth proportional to 51,418.53, 70,936.70 and 33,507 is: 46,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418.53 : 70,936.70 = 33,507 : x
  2. Step 2: Convert to fraction form
    51,418.53/70,936.70 = 33,507/x
  3. Step 3: Cross multiply
    51,418.53x = 70,936.70 × 33,507
  4. Step 4: Simplify right side
    51,418.53x = 2,376,875,839.37
  5. Step 5: Solve for x
    x = 2,376,875,839.37/51,418.53
  6. Step 6: Final answer
    x = 46,226.06

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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.