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Finding the Fourth Proportional to 22,908.40, 34,373.40 and 17,076.40

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Solution

The fourth proportional to 22,908.40, 34,373.40 and 17,076.40 is: 25,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.40 : 34,373.40 = 17,076.40 : x
  2. Step 2: Convert to fraction form
    22,908.40/34,373.40 = 17,076.40/x
  3. Step 3: Cross multiply
    22,908.40x = 34,373.40 × 17,076.40
  4. Step 4: Simplify right side
    22,908.40x = 586,973,927.76
  5. Step 5: Solve for x
    x = 586,973,927.76/22,908.40
  6. Step 6: Final answer
    x = 25,622.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.