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Finding the Fourth Proportional to 32,446.10, 44,731.14 and 20,503.46

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Solution

The fourth proportional to 32,446.10, 44,731.14 and 20,503.46 is: 28,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,446.10 : 44,731.14 = 20,503.46 : x
  2. Step 2: Convert to fraction form
    32,446.10/44,731.14 = 20,503.46/x
  3. Step 3: Cross multiply
    32,446.10x = 44,731.14 × 20,503.46
  4. Step 4: Simplify right side
    32,446.10x = 917,143,139.74
  5. Step 5: Solve for x
    x = 917,143,139.74/32,446.10
  6. Step 6: Final answer
    x = 28,266.67

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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.