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Finding the Fourth Proportional to 22,119.88, 30,526.14 and 12,048.88

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Solution

The fourth proportional to 22,119.88, 30,526.14 and 12,048.88 is: 16,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.88 : 30,526.14 = 12,048.88 : x
  2. Step 2: Convert to fraction form
    22,119.88/30,526.14 = 12,048.88/x
  3. Step 3: Cross multiply
    22,119.88x = 30,526.14 × 12,048.88
  4. Step 4: Simplify right side
    22,119.88x = 367,805,797.72
  5. Step 5: Solve for x
    x = 367,805,797.72/22,119.88
  6. Step 6: Final answer
    x = 16,627.84

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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.