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Finding the Fourth Proportional to 32,157.91, 44,363.78 and 19,403.98

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Solution

The fourth proportional to 32,157.91, 44,363.78 and 19,403.98 is: 26,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,157.91 : 44,363.78 = 19,403.98 : x
  2. Step 2: Convert to fraction form
    32,157.91/44,363.78 = 19,403.98/x
  3. Step 3: Cross multiply
    32,157.91x = 44,363.78 × 19,403.98
  4. Step 4: Simplify right side
    32,157.91x = 860,833,834.88
  5. Step 5: Solve for x
    x = 860,833,834.88/32,157.91
  6. Step 6: Final answer
    x = 26,768.96

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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.