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Finding the Fourth Proportional to 17,332.88, 25,945.40 and 9,415.60

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Solution

The fourth proportional to 17,332.88, 25,945.40 and 9,415.60 is: 14,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,332.88 : 25,945.40 = 9,415.60 : x
  2. Step 2: Convert to fraction form
    17,332.88/25,945.40 = 9,415.60/x
  3. Step 3: Cross multiply
    17,332.88x = 25,945.40 × 9,415.60
  4. Step 4: Simplify right side
    17,332.88x = 244,291,508.24
  5. Step 5: Solve for x
    x = 244,291,508.24/17,332.88
  6. Step 6: Final answer
    x = 14,094.11

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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.