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Finding the Fourth Proportional to 17,005.67, 23,464.18 and 9,928.88

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Solution

The fourth proportional to 17,005.67, 23,464.18 and 9,928.88 is: 13,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.67 : 23,464.18 = 9,928.88 : x
  2. Step 2: Convert to fraction form
    17,005.67/23,464.18 = 9,928.88/x
  3. Step 3: Cross multiply
    17,005.67x = 23,464.18 × 9,928.88
  4. Step 4: Simplify right side
    17,005.67x = 232,973,027.52
  5. Step 5: Solve for x
    x = 232,973,027.52/17,005.67
  6. Step 6: Final answer
    x = 13,699.73

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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.