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Finding the Fourth Proportional to 40,450.72, 55,823.73 and 22,545.72

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Solution

The fourth proportional to 40,450.72, 55,823.73 and 22,545.72 is: 31,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,450.72 : 55,823.73 = 22,545.72 : x
  2. Step 2: Convert to fraction form
    40,450.72/55,823.73 = 22,545.72/x
  3. Step 3: Cross multiply
    40,450.72x = 55,823.73 × 22,545.72
  4. Step 4: Simplify right side
    40,450.72x = 1,258,586,185.94
  5. Step 5: Solve for x
    x = 1,258,586,185.94/40,450.72
  6. Step 6: Final answer
    x = 31,114.06

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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.