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Finding the Fourth Proportional to 32,405.61, 44,724.38 and 18,259.77

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Solution

The fourth proportional to 32,405.61, 44,724.38 and 18,259.77 is: 25,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,405.61 : 44,724.38 = 18,259.77 : x
  2. Step 2: Convert to fraction form
    32,405.61/44,724.38 = 18,259.77/x
  3. Step 3: Cross multiply
    32,405.61x = 44,724.38 × 18,259.77
  4. Step 4: Simplify right side
    32,405.61x = 816,656,800.89
  5. Step 5: Solve for x
    x = 816,656,800.89/32,405.61
  6. Step 6: Final answer
    x = 25,201.09

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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.