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Finding the Fourth Proportional to 43,940.84, 65,924.06 and 15,860.25

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Solution

The fourth proportional to 43,940.84, 65,924.06 and 15,860.25 is: 23,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.84 : 65,924.06 = 15,860.25 : x
  2. Step 2: Convert to fraction form
    43,940.84/65,924.06 = 15,860.25/x
  3. Step 3: Cross multiply
    43,940.84x = 65,924.06 × 15,860.25
  4. Step 4: Simplify right side
    43,940.84x = 1,045,571,993.31
  5. Step 5: Solve for x
    x = 1,045,571,993.31/43,940.84
  6. Step 6: Final answer
    x = 23,795.00

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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.