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Finding the Fourth Proportional to 57,595.61, 86,356.48 and 39,776.37

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Solution

The fourth proportional to 57,595.61, 86,356.48 and 39,776.37 is: 59,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,595.61 : 86,356.48 = 39,776.37 : x
  2. Step 2: Convert to fraction form
    57,595.61/86,356.48 = 39,776.37/x
  3. Step 3: Cross multiply
    57,595.61x = 86,356.48 × 39,776.37
  4. Step 4: Simplify right side
    57,595.61x = 3,434,946,951.68
  5. Step 5: Solve for x
    x = 3,434,946,951.68/57,595.61
  6. Step 6: Final answer
    x = 59,639.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.