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Finding the Fourth Proportional to 25,444.62, 38,173.44 and 7,914.60

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Solution

The fourth proportional to 25,444.62, 38,173.44 and 7,914.60 is: 11,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,444.62 : 38,173.44 = 7,914.60 : x
  2. Step 2: Convert to fraction form
    25,444.62/38,173.44 = 7,914.60/x
  3. Step 3: Cross multiply
    25,444.62x = 38,173.44 × 7,914.60
  4. Step 4: Simplify right side
    25,444.62x = 302,127,508.22
  5. Step 5: Solve for x
    x = 302,127,508.22/25,444.62
  6. Step 6: Final answer
    x = 11,873.92

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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.