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Finding the Fourth Proportional to 64,480.53, 88,991.49 and 36,186.22

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Solution

The fourth proportional to 64,480.53, 88,991.49 and 36,186.22 is: 49,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480.53 : 88,991.49 = 36,186.22 : x
  2. Step 2: Convert to fraction form
    64,480.53/88,991.49 = 36,186.22/x
  3. Step 3: Cross multiply
    64,480.53x = 88,991.49 × 36,186.22
  4. Step 4: Simplify right side
    64,480.53x = 3,220,265,635.27
  5. Step 5: Solve for x
    x = 3,220,265,635.27/64,480.53
  6. Step 6: Final answer
    x = 49,941.67

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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.