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Finding the Fourth Proportional to 12,582.34, 17,358.33 and 8,334.34

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Solution

The fourth proportional to 12,582.34, 17,358.33 and 8,334.34 is: 11,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.34 : 17,358.33 = 8,334.34 : x
  2. Step 2: Convert to fraction form
    12,582.34/17,358.33 = 8,334.34/x
  3. Step 3: Cross multiply
    12,582.34x = 17,358.33 × 8,334.34
  4. Step 4: Simplify right side
    12,582.34x = 144,670,224.05
  5. Step 5: Solve for x
    x = 144,670,224.05/12,582.34
  6. Step 6: Final answer
    x = 11,497.88

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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.