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Finding the Fourth Proportional to 63,301.86, 87,364.85 and 36,445.50

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Solution

The fourth proportional to 63,301.86, 87,364.85 and 36,445.50 is: 50,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,301.86 : 87,364.85 = 36,445.50 : x
  2. Step 2: Convert to fraction form
    63,301.86/87,364.85 = 36,445.50/x
  3. Step 3: Cross multiply
    63,301.86x = 87,364.85 × 36,445.50
  4. Step 4: Simplify right side
    63,301.86x = 3,184,055,458.45
  5. Step 5: Solve for x
    x = 3,184,055,458.45/63,301.86
  6. Step 6: Final answer
    x = 50,299.56

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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.