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Finding the Fourth Proportional to 65,046.06, 89,764.92 and 36,752.40

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Solution

The fourth proportional to 65,046.06, 89,764.92 and 36,752.40 is: 50,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,046.06 : 89,764.92 = 36,752.40 : x
  2. Step 2: Convert to fraction form
    65,046.06/89,764.92 = 36,752.40/x
  3. Step 3: Cross multiply
    65,046.06x = 89,764.92 × 36,752.40
  4. Step 4: Simplify right side
    65,046.06x = 3,299,076,245.81
  5. Step 5: Solve for x
    x = 3,299,076,245.81/65,046.06
  6. Step 6: Final answer
    x = 50,719.08

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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.