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Finding the Fourth Proportional to 32,574.57, 44,989.74 and 21,945.75

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Solution

The fourth proportional to 32,574.57, 44,989.74 and 21,945.75 is: 30,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,574.57 : 44,989.74 = 21,945.75 : x
  2. Step 2: Convert to fraction form
    32,574.57/44,989.74 = 21,945.75/x
  3. Step 3: Cross multiply
    32,574.57x = 44,989.74 × 21,945.75
  4. Step 4: Simplify right side
    32,574.57x = 987,333,586.61
  5. Step 5: Solve for x
    x = 987,333,586.61/32,574.57
  6. Step 6: Final answer
    x = 30,309.95

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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.