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Finding the Fourth Proportional to 25,333.25, 37,999.88 and 6,865.25

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Solution

The fourth proportional to 25,333.25, 37,999.88 and 6,865.25 is: 10,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,333.25 : 37,999.88 = 6,865.25 : x
  2. Step 2: Convert to fraction form
    25,333.25/37,999.88 = 6,865.25/x
  3. Step 3: Cross multiply
    25,333.25x = 37,999.88 × 6,865.25
  4. Step 4: Simplify right side
    25,333.25x = 260,878,676.17
  5. Step 5: Solve for x
    x = 260,878,676.17/25,333.25
  6. Step 6: Final answer
    x = 10,297.88

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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.