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Finding the Fourth Proportional to 10,373.57, 15,566.73 and 5,446.74

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Solution

The fourth proportional to 10,373.57, 15,566.73 and 5,446.74 is: 8,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.57 : 15,566.73 = 5,446.74 : x
  2. Step 2: Convert to fraction form
    10,373.57/15,566.73 = 5,446.74/x
  3. Step 3: Cross multiply
    10,373.57x = 15,566.73 × 5,446.74
  4. Step 4: Simplify right side
    10,373.57x = 84,787,903.73
  5. Step 5: Solve for x
    x = 84,787,903.73/10,373.57
  6. Step 6: Final answer
    x = 8,173.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.