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Finding the Fourth Proportional to 25,117.60, 37,611.60 and 19,933.60

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Solution

The fourth proportional to 25,117.60, 37,611.60 and 19,933.60 is: 29,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.60 : 37,611.60 = 19,933.60 : x
  2. Step 2: Convert to fraction form
    25,117.60/37,611.60 = 19,933.60/x
  3. Step 3: Cross multiply
    25,117.60x = 37,611.60 × 19,933.60
  4. Step 4: Simplify right side
    25,117.60x = 749,734,589.76
  5. Step 5: Solve for x
    x = 749,734,589.76/25,117.60
  6. Step 6: Final answer
    x = 29,848.97

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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.