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Finding the Fourth Proportional to 25,980.30, 38,897.55 and 25,251.30

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Solution

The fourth proportional to 25,980.30, 38,897.55 and 25,251.30 is: 37,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980.30 : 38,897.55 = 25,251.30 : x
  2. Step 2: Convert to fraction form
    25,980.30/38,897.55 = 25,251.30/x
  3. Step 3: Cross multiply
    25,980.30x = 38,897.55 × 25,251.30
  4. Step 4: Simplify right side
    25,980.30x = 982,213,704.32
  5. Step 5: Solve for x
    x = 982,213,704.32/25,980.30
  6. Step 6: Final answer
    x = 37,806.10

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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.