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Finding the Fourth Proportional to 25,601.10, 38,401.65 and 19,040.10

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Solution

The fourth proportional to 25,601.10, 38,401.65 and 19,040.10 is: 28,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.10 : 38,401.65 = 19,040.10 : x
  2. Step 2: Convert to fraction form
    25,601.10/38,401.65 = 19,040.10/x
  3. Step 3: Cross multiply
    25,601.10x = 38,401.65 × 19,040.10
  4. Step 4: Simplify right side
    25,601.10x = 731,171,256.17
  5. Step 5: Solve for x
    x = 731,171,256.17/25,601.10
  6. Step 6: Final answer
    x = 28,560.15

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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.