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Finding the Fourth Proportional to 25,155.38, 37,731.78 and 9,360.38

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Solution

The fourth proportional to 25,155.38, 37,731.78 and 9,360.38 is: 14,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.38 : 37,731.78 = 9,360.38 : x
  2. Step 2: Convert to fraction form
    25,155.38/37,731.78 = 9,360.38/x
  3. Step 3: Cross multiply
    25,155.38x = 37,731.78 × 9,360.38
  4. Step 4: Simplify right side
    25,155.38x = 353,183,798.88
  5. Step 5: Solve for x
    x = 353,183,798.88/25,155.38
  6. Step 6: Final answer
    x = 14,040.09

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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.