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Finding the Fourth Proportional to 64,305.24, 88,614.86 and 49,214.94

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Solution

The fourth proportional to 64,305.24, 88,614.86 and 49,214.94 is: 67,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,305.24 : 88,614.86 = 49,214.94 : x
  2. Step 2: Convert to fraction form
    64,305.24/88,614.86 = 49,214.94/x
  3. Step 3: Cross multiply
    64,305.24x = 88,614.86 × 49,214.94
  4. Step 4: Simplify right side
    64,305.24x = 4,361,174,771.93
  5. Step 5: Solve for x
    x = 4,361,174,771.93/64,305.24
  6. Step 6: Final answer
    x = 67,819.90

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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.