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Finding the Fourth Proportional to 52,344.54, 72,234.72 and 28,471.41

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Solution

The fourth proportional to 52,344.54, 72,234.72 and 28,471.41 is: 39,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,344.54 : 72,234.72 = 28,471.41 : x
  2. Step 2: Convert to fraction form
    52,344.54/72,234.72 = 28,471.41/x
  3. Step 3: Cross multiply
    52,344.54x = 72,234.72 × 28,471.41
  4. Step 4: Simplify right side
    52,344.54x = 2,056,624,329.36
  5. Step 5: Solve for x
    x = 2,056,624,329.36/52,344.54
  6. Step 6: Final answer
    x = 39,290.14

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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.