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Finding the Fourth Proportional to 64,848.36, 89,486.46 and 36,553.44

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Solution

The fourth proportional to 64,848.36, 89,486.46 and 36,553.44 is: 50,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,848.36 : 89,486.46 = 36,553.44 : x
  2. Step 2: Convert to fraction form
    64,848.36/89,486.46 = 36,553.44/x
  3. Step 3: Cross multiply
    64,848.36x = 89,486.46 × 36,553.44
  4. Step 4: Simplify right side
    64,848.36x = 3,271,037,946.42
  5. Step 5: Solve for x
    x = 3,271,037,946.42/64,848.36
  6. Step 6: Final answer
    x = 50,441.34

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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.