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Finding the Fourth Proportional to 25,622.74, 38,435.74 and 8,093.26

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Solution

The fourth proportional to 25,622.74, 38,435.74 and 8,093.26 is: 12,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.74 : 38,435.74 = 8,093.26 : x
  2. Step 2: Convert to fraction form
    25,622.74/38,435.74 = 8,093.26/x
  3. Step 3: Cross multiply
    25,622.74x = 38,435.74 × 8,093.26
  4. Step 4: Simplify right side
    25,622.74x = 311,070,437.11
  5. Step 5: Solve for x
    x = 311,070,437.11/25,622.74
  6. Step 6: Final answer
    x = 12,140.40

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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.