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Finding the Fourth Proportional to 43,410.90, 59,914.70 and 25,505.90

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Solution

The fourth proportional to 43,410.90, 59,914.70 and 25,505.90 is: 35,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,410.90 : 59,914.70 = 25,505.90 : x
  2. Step 2: Convert to fraction form
    43,410.90/59,914.70 = 25,505.90/x
  3. Step 3: Cross multiply
    43,410.90x = 59,914.70 × 25,505.90
  4. Step 4: Simplify right side
    43,410.90x = 1,528,178,110.92
  5. Step 5: Solve for x
    x = 1,528,178,110.92/43,410.90
  6. Step 6: Final answer
    x = 35,202.64

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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.