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Finding the Fourth Proportional to 17,668.32, 26,502.48 and 9,872.88

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Solution

The fourth proportional to 17,668.32, 26,502.48 and 9,872.88 is: 14,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.32 : 26,502.48 = 9,872.88 : x
  2. Step 2: Convert to fraction form
    17,668.32/26,502.48 = 9,872.88/x
  3. Step 3: Cross multiply
    17,668.32x = 26,502.48 × 9,872.88
  4. Step 4: Simplify right side
    17,668.32x = 261,655,804.74
  5. Step 5: Solve for x
    x = 261,655,804.74/17,668.32
  6. Step 6: Final answer
    x = 14,809.32

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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.