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Finding the Fourth Proportional to 32,609.72, 48,924.34 and 18,749.00

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Solution

The fourth proportional to 32,609.72, 48,924.34 and 18,749.00 is: 28,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,609.72 : 48,924.34 = 18,749.00 : x
  2. Step 2: Convert to fraction form
    32,609.72/48,924.34 = 18,749.00/x
  3. Step 3: Cross multiply
    32,609.72x = 48,924.34 × 18,749.00
  4. Step 4: Simplify right side
    32,609.72x = 917,282,526.10
  5. Step 5: Solve for x
    x = 917,282,526.10/32,609.72
  6. Step 6: Final answer
    x = 28,129.11

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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.