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Finding the Fourth Proportional to 32,885.13, 45,375.21 and 18,737.67

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Solution

The fourth proportional to 32,885.13, 45,375.21 and 18,737.67 is: 25,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.13 : 45,375.21 = 18,737.67 : x
  2. Step 2: Convert to fraction form
    32,885.13/45,375.21 = 18,737.67/x
  3. Step 3: Cross multiply
    32,885.13x = 45,375.21 × 18,737.67
  4. Step 4: Simplify right side
    32,885.13x = 850,225,711.16
  5. Step 5: Solve for x
    x = 850,225,711.16/32,885.13
  6. Step 6: Final answer
    x = 25,854.41

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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.