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Finding the Fourth Proportional to 64,181.76, 88,579.08 and 35,889

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Solution

The fourth proportional to 64,181.76, 88,579.08 and 35,889 is: 49,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,181.76 : 88,579.08 = 35,889 : x
  2. Step 2: Convert to fraction form
    64,181.76/88,579.08 = 35,889/x
  3. Step 3: Cross multiply
    64,181.76x = 88,579.08 × 35,889
  4. Step 4: Simplify right side
    64,181.76x = 3,179,014,602.12
  5. Step 5: Solve for x
    x = 3,179,014,602.12/64,181.76
  6. Step 6: Final answer
    x = 49,531.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.