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Finding the Fourth Proportional to 25,199.32, 37,813.62 and 13,955.80

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Solution

The fourth proportional to 25,199.32, 37,813.62 and 13,955.80 is: 20,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,199.32 : 37,813.62 = 13,955.80 : x
  2. Step 2: Convert to fraction form
    25,199.32/37,813.62 = 13,955.80/x
  3. Step 3: Cross multiply
    25,199.32x = 37,813.62 × 13,955.80
  4. Step 4: Simplify right side
    25,199.32x = 527,719,318.00
  5. Step 5: Solve for x
    x = 527,719,318.00/25,199.32
  6. Step 6: Final answer
    x = 20,941.81

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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.