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Finding the Fourth Proportional to 25,670.10, 36,015.90 and 25,670.10

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Solution

The fourth proportional to 25,670.10, 36,015.90 and 25,670.10 is: 36,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.10 : 36,015.90 = 25,670.10 : x
  2. Step 2: Convert to fraction form
    25,670.10/36,015.90 = 25,670.10/x
  3. Step 3: Cross multiply
    25,670.10x = 36,015.90 × 25,670.10
  4. Step 4: Simplify right side
    25,670.10x = 924,531,754.59
  5. Step 5: Solve for x
    x = 924,531,754.59/25,670.10
  6. Step 6: Final answer
    x = 36,015.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.