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Finding the Fourth Proportional to 44,393.92, 66,623.64 and 21,020.32

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Solution

The fourth proportional to 44,393.92, 66,623.64 and 21,020.32 is: 31,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,393.92 : 66,623.64 = 21,020.32 : x
  2. Step 2: Convert to fraction form
    44,393.92/66,623.64 = 21,020.32/x
  3. Step 3: Cross multiply
    44,393.92x = 66,623.64 × 21,020.32
  4. Step 4: Simplify right side
    44,393.92x = 1,400,450,232.36
  5. Step 5: Solve for x
    x = 1,400,450,232.36/44,393.92
  6. Step 6: Final answer
    x = 31,545.99

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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.