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Finding the Fourth Proportional to 17,239.36, 25,840.65 and 9,827.86

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Solution

The fourth proportional to 17,239.36, 25,840.65 and 9,827.86 is: 14,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.36 : 25,840.65 = 9,827.86 : x
  2. Step 2: Convert to fraction form
    17,239.36/25,840.65 = 9,827.86/x
  3. Step 3: Cross multiply
    17,239.36x = 25,840.65 × 9,827.86
  4. Step 4: Simplify right side
    17,239.36x = 253,958,155.61
  5. Step 5: Solve for x
    x = 253,958,155.61/17,239.36
  6. Step 6: Final answer
    x = 14,731.30

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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.