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Finding the Fourth Proportional to 64,963.23, 89,649.26 and 36,670.74

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Solution

The fourth proportional to 64,963.23, 89,649.26 and 36,670.74 is: 50,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,963.23 : 89,649.26 = 36,670.74 : x
  2. Step 2: Convert to fraction form
    64,963.23/89,649.26 = 36,670.74/x
  3. Step 3: Cross multiply
    64,963.23x = 89,649.26 × 36,670.74
  4. Step 4: Simplify right side
    64,963.23x = 3,287,504,521.30
  5. Step 5: Solve for x
    x = 3,287,504,521.30/64,963.23
  6. Step 6: Final answer
    x = 50,605.62

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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.