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Finding the Fourth Proportional to 17,372.82, 23,973.36 and 9,715.86

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Solution

The fourth proportional to 17,372.82, 23,973.36 and 9,715.86 is: 13,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.82 : 23,973.36 = 9,715.86 : x
  2. Step 2: Convert to fraction form
    17,372.82/23,973.36 = 9,715.86/x
  3. Step 3: Cross multiply
    17,372.82x = 23,973.36 × 9,715.86
  4. Step 4: Simplify right side
    17,372.82x = 232,921,809.49
  5. Step 5: Solve for x
    x = 232,921,809.49/17,372.82
  6. Step 6: Final answer
    x = 13,407.25

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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.