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Finding the Fourth Proportional to 32,119.55, 44,320.08 and 18,321.99

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Solution

The fourth proportional to 32,119.55, 44,320.08 and 18,321.99 is: 25,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,119.55 : 44,320.08 = 18,321.99 : x
  2. Step 2: Convert to fraction form
    32,119.55/44,320.08 = 18,321.99/x
  3. Step 3: Cross multiply
    32,119.55x = 44,320.08 × 18,321.99
  4. Step 4: Simplify right side
    32,119.55x = 812,031,970.95
  5. Step 5: Solve for x
    x = 812,031,970.95/32,119.55
  6. Step 6: Final answer
    x = 25,281.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.