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Finding the Fourth Proportional to 62,783.60, 86,581.92 and 41,235.44

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Solution

The fourth proportional to 62,783.60, 86,581.92 and 41,235.44 is: 56,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,783.60 : 86,581.92 = 41,235.44 : x
  2. Step 2: Convert to fraction form
    62,783.60/86,581.92 = 41,235.44/x
  3. Step 3: Cross multiply
    62,783.60x = 86,581.92 × 41,235.44
  4. Step 4: Simplify right side
    62,783.60x = 3,570,243,567.24
  5. Step 5: Solve for x
    x = 3,570,243,567.24/62,783.60
  6. Step 6: Final answer
    x = 56,865.86

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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.