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Finding the Fourth Proportional to 64,752.06, 89,361.03 and 36,460.86

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Solution

The fourth proportional to 64,752.06, 89,361.03 and 36,460.86 is: 50,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,752.06 : 89,361.03 = 36,460.86 : x
  2. Step 2: Convert to fraction form
    64,752.06/89,361.03 = 36,460.86/x
  3. Step 3: Cross multiply
    64,752.06x = 89,361.03 × 36,460.86
  4. Step 4: Simplify right side
    64,752.06x = 3,258,180,004.29
  5. Step 5: Solve for x
    x = 3,258,180,004.29/64,752.06
  6. Step 6: Final answer
    x = 50,317.78

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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.