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Finding the Fourth Proportional to 25,503.75, 35,212.14 and 15,958.08

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Solution

The fourth proportional to 25,503.75, 35,212.14 and 15,958.08 is: 22,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,503.75 : 35,212.14 = 15,958.08 : x
  2. Step 2: Convert to fraction form
    25,503.75/35,212.14 = 15,958.08/x
  3. Step 3: Cross multiply
    25,503.75x = 35,212.14 × 15,958.08
  4. Step 4: Simplify right side
    25,503.75x = 561,918,147.09
  5. Step 5: Solve for x
    x = 561,918,147.09/25,503.75
  6. Step 6: Final answer
    x = 22,032.77

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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.