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Finding the Fourth Proportional to 32,348.40, 44,638.92 and 18,200.40

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Solution

The fourth proportional to 32,348.40, 44,638.92 and 18,200.40 is: 25,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,348.40 : 44,638.92 = 18,200.40 : x
  2. Step 2: Convert to fraction form
    32,348.40/44,638.92 = 18,200.40/x
  3. Step 3: Cross multiply
    32,348.40x = 44,638.92 × 18,200.40
  4. Step 4: Simplify right side
    32,348.40x = 812,446,199.57
  5. Step 5: Solve for x
    x = 812,446,199.57/32,348.40
  6. Step 6: Final answer
    x = 25,115.50

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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.