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Finding the Fourth Proportional to 29,583, 40,824.54 and 20,168.04

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Solution

The fourth proportional to 29,583, 40,824.54 and 20,168.04 is: 27,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,583 : 40,824.54 = 20,168.04 : x
  2. Step 2: Convert to fraction form
    29,583/40,824.54 = 20,168.04/x
  3. Step 3: Cross multiply
    29,583x = 40,824.54 × 20,168.04
  4. Step 4: Simplify right side
    29,583x = 823,350,955.70
  5. Step 5: Solve for x
    x = 823,350,955.70/29,583
  6. Step 6: Final answer
    x = 27,831.90

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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.