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Finding the Fourth Proportional to 6,025.78, 9,038.74 and 2,905.12

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Solution

The fourth proportional to 6,025.78, 9,038.74 and 2,905.12 is: 4,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,025.78 : 9,038.74 = 2,905.12 : x
  2. Step 2: Convert to fraction form
    6,025.78/9,038.74 = 2,905.12/x
  3. Step 3: Cross multiply
    6,025.78x = 9,038.74 × 2,905.12
  4. Step 4: Simplify right side
    6,025.78x = 26,258,624.35
  5. Step 5: Solve for x
    x = 26,258,624.35/6,025.78
  6. Step 6: Final answer
    x = 4,357.71

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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.