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Finding the Fourth Proportional to 25,555.44, 38,333.13 and 7,087.44

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Solution

The fourth proportional to 25,555.44, 38,333.13 and 7,087.44 is: 10,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.44 : 38,333.13 = 7,087.44 : x
  2. Step 2: Convert to fraction form
    25,555.44/38,333.13 = 7,087.44/x
  3. Step 3: Cross multiply
    25,555.44x = 38,333.13 × 7,087.44
  4. Step 4: Simplify right side
    25,555.44x = 271,683,758.89
  5. Step 5: Solve for x
    x = 271,683,758.89/25,555.44
  6. Step 6: Final answer
    x = 10,631.15

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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.