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Finding the Fourth Proportional to 43,372.80, 59,860.80 and 25,477.56

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Solution

The fourth proportional to 43,372.80, 59,860.80 and 25,477.56 is: 35,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,372.80 : 59,860.80 = 25,477.56 : x
  2. Step 2: Convert to fraction form
    43,372.80/59,860.80 = 25,477.56/x
  3. Step 3: Cross multiply
    43,372.80x = 59,860.80 × 25,477.56
  4. Step 4: Simplify right side
    43,372.80x = 1,525,107,123.65
  5. Step 5: Solve for x
    x = 1,525,107,123.65/43,372.80
  6. Step 6: Final answer
    x = 35,162.75

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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.