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Finding the Fourth Proportional to 39,957.91, 55,141.90 and 22,052.93

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Solution

The fourth proportional to 39,957.91, 55,141.90 and 22,052.93 is: 30,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.91 : 55,141.90 = 22,052.93 : x
  2. Step 2: Convert to fraction form
    39,957.91/55,141.90 = 22,052.93/x
  3. Step 3: Cross multiply
    39,957.91x = 55,141.90 × 22,052.93
  4. Step 4: Simplify right side
    39,957.91x = 1,216,040,688.22
  5. Step 5: Solve for x
    x = 1,216,040,688.22/39,957.91
  6. Step 6: Final answer
    x = 30,433.04

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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.