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Finding the Fourth Proportional to 50,045.54, 75,062.72 and 12,605.60

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Solution

The fourth proportional to 50,045.54, 75,062.72 and 12,605.60 is: 18,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.54 : 75,062.72 = 12,605.60 : x
  2. Step 2: Convert to fraction form
    50,045.54/75,062.72 = 12,605.60/x
  3. Step 3: Cross multiply
    50,045.54x = 75,062.72 × 12,605.60
  4. Step 4: Simplify right side
    50,045.54x = 946,210,623.23
  5. Step 5: Solve for x
    x = 946,210,623.23/50,045.54
  6. Step 6: Final answer
    x = 18,906.99

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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.