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Finding the Fourth Proportional to 32,878.88, 45,372.86 and 17,771.50

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Solution

The fourth proportional to 32,878.88, 45,372.86 and 17,771.50 is: 24,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.88 : 45,372.86 = 17,771.50 : x
  2. Step 2: Convert to fraction form
    32,878.88/45,372.86 = 17,771.50/x
  3. Step 3: Cross multiply
    32,878.88x = 45,372.86 × 17,771.50
  4. Step 4: Simplify right side
    32,878.88x = 806,343,781.49
  5. Step 5: Solve for x
    x = 806,343,781.49/32,878.88
  6. Step 6: Final answer
    x = 24,524.67

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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.