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Finding the Fourth Proportional to 32,347.72, 44,638.86 and 18,199.72

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Solution

The fourth proportional to 32,347.72, 44,638.86 and 18,199.72 is: 25,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,347.72 : 44,638.86 = 18,199.72 : x
  2. Step 2: Convert to fraction form
    32,347.72/44,638.86 = 18,199.72/x
  3. Step 3: Cross multiply
    32,347.72x = 44,638.86 × 18,199.72
  4. Step 4: Simplify right side
    32,347.72x = 812,414,753.12
  5. Step 5: Solve for x
    x = 812,414,753.12/32,347.72
  6. Step 6: Final answer
    x = 25,115.05

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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.