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Finding the Fourth Proportional to 57,703.60, 86,554.49 and 29,607.44

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Solution

The fourth proportional to 57,703.60, 86,554.49 and 29,607.44 is: 44,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,703.60 : 86,554.49 = 29,607.44 : x
  2. Step 2: Convert to fraction form
    57,703.60/86,554.49 = 29,607.44/x
  3. Step 3: Cross multiply
    57,703.60x = 86,554.49 × 29,607.44
  4. Step 4: Simplify right side
    57,703.60x = 2,562,656,510.65
  5. Step 5: Solve for x
    x = 2,562,656,510.65/57,703.60
  6. Step 6: Final answer
    x = 44,410.69

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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.