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Finding the Fourth Proportional to 63,382.76, 87,477.36 and 36,520.12

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Solution

The fourth proportional to 63,382.76, 87,477.36 and 36,520.12 is: 50,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,382.76 : 87,477.36 = 36,520.12 : x
  2. Step 2: Convert to fraction form
    63,382.76/87,477.36 = 36,520.12/x
  3. Step 3: Cross multiply
    63,382.76x = 87,477.36 × 36,520.12
  4. Step 4: Simplify right side
    63,382.76x = 3,194,683,684.48
  5. Step 5: Solve for x
    x = 3,194,683,684.48/63,382.76
  6. Step 6: Final answer
    x = 50,403.04

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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.