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Finding the Fourth Proportional to 63,303.86, 87,367.60 and 36,447.50

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Solution

The fourth proportional to 63,303.86, 87,367.60 and 36,447.50 is: 50,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,303.86 : 87,367.60 = 36,447.50 : x
  2. Step 2: Convert to fraction form
    63,303.86/87,367.60 = 36,447.50/x
  3. Step 3: Cross multiply
    63,303.86x = 87,367.60 × 36,447.50
  4. Step 4: Simplify right side
    63,303.86x = 3,184,330,601
  5. Step 5: Solve for x
    x = 3,184,330,601/63,303.86
  6. Step 6: Final answer
    x = 50,302.31

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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.