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Finding the Fourth Proportional to 25,370.56, 38,055.90 and 6,902.56

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Solution

The fourth proportional to 25,370.56, 38,055.90 and 6,902.56 is: 10,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.56 : 38,055.90 = 6,902.56 : x
  2. Step 2: Convert to fraction form
    25,370.56/38,055.90 = 6,902.56/x
  3. Step 3: Cross multiply
    25,370.56x = 38,055.90 × 6,902.56
  4. Step 4: Simplify right side
    25,370.56x = 262,683,133.10
  5. Step 5: Solve for x
    x = 262,683,133.10/25,370.56
  6. Step 6: Final answer
    x = 10,353.86

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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.