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Finding the Fourth Proportional to 43,354.11, 64,968.75 and 25,542.75

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Solution

The fourth proportional to 43,354.11, 64,968.75 and 25,542.75 is: 38,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.11 : 64,968.75 = 25,542.75 : x
  2. Step 2: Convert to fraction form
    43,354.11/64,968.75 = 25,542.75/x
  3. Step 3: Cross multiply
    43,354.11x = 64,968.75 × 25,542.75
  4. Step 4: Simplify right side
    43,354.11x = 1,659,480,539.06
  5. Step 5: Solve for x
    x = 1,659,480,539.06/43,354.11
  6. Step 6: Final answer
    x = 38,277.35

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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.