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Finding the Fourth Proportional to 63,245.40, 87,276.18 and 36,392.01

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Solution

The fourth proportional to 63,245.40, 87,276.18 and 36,392.01 is: 50,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,245.40 : 87,276.18 = 36,392.01 : x
  2. Step 2: Convert to fraction form
    63,245.40/87,276.18 = 36,392.01/x
  3. Step 3: Cross multiply
    63,245.40x = 87,276.18 × 36,392.01
  4. Step 4: Simplify right side
    63,245.40x = 3,176,155,615.32
  5. Step 5: Solve for x
    x = 3,176,155,615.32/63,245.40
  6. Step 6: Final answer
    x = 50,219.55

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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.