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Finding the Fourth Proportional to 64,962.60, 89,648.38 and 36,670.10

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Solution

The fourth proportional to 64,962.60, 89,648.38 and 36,670.10 is: 50,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,962.60 : 89,648.38 = 36,670.10 : x
  2. Step 2: Convert to fraction form
    64,962.60/89,648.38 = 36,670.10/x
  3. Step 3: Cross multiply
    64,962.60x = 89,648.38 × 36,670.10
  4. Step 4: Simplify right side
    64,962.60x = 3,287,415,059.44
  5. Step 5: Solve for x
    x = 3,287,415,059.44/64,962.60
  6. Step 6: Final answer
    x = 50,604.73

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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.