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Finding the Fourth Proportional to 17,953.16, 26,905.10 and 9,169.65

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Solution

The fourth proportional to 17,953.16, 26,905.10 and 9,169.65 is: 13,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.16 : 26,905.10 = 9,169.65 : x
  2. Step 2: Convert to fraction form
    17,953.16/26,905.10 = 9,169.65/x
  3. Step 3: Cross multiply
    17,953.16x = 26,905.10 × 9,169.65
  4. Step 4: Simplify right side
    17,953.16x = 246,710,304.37
  5. Step 5: Solve for x
    x = 246,710,304.37/17,953.16
  6. Step 6: Final answer
    x = 13,741.89

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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.