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Finding the Fourth Proportional to 22,357.32, 33,515.12 and 7,555.88

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Solution

The fourth proportional to 22,357.32, 33,515.12 and 7,555.88 is: 11,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.32 : 33,515.12 = 7,555.88 : x
  2. Step 2: Convert to fraction form
    22,357.32/33,515.12 = 7,555.88/x
  3. Step 3: Cross multiply
    22,357.32x = 33,515.12 × 7,555.88
  4. Step 4: Simplify right side
    22,357.32x = 253,236,224.91
  5. Step 5: Solve for x
    x = 253,236,224.91/22,357.32
  6. Step 6: Final answer
    x = 11,326.77

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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.