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Finding the Fourth Proportional to 22,242.33, 30,652.02 and 15,943.77

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Solution

The fourth proportional to 22,242.33, 30,652.02 and 15,943.77 is: 21,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.33 : 30,652.02 = 15,943.77 : x
  2. Step 2: Convert to fraction form
    22,242.33/30,652.02 = 15,943.77/x
  3. Step 3: Cross multiply
    22,242.33x = 30,652.02 × 15,943.77
  4. Step 4: Simplify right side
    22,242.33x = 488,708,756.92
  5. Step 5: Solve for x
    x = 488,708,756.92/22,242.33
  6. Step 6: Final answer
    x = 21,972.01

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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.