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Finding the Fourth Proportional to 17,032.80, 23,509.80 and 10,318.80

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Solution

The fourth proportional to 17,032.80, 23,509.80 and 10,318.80 is: 14,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,032.80 : 23,509.80 = 10,318.80 : x
  2. Step 2: Convert to fraction form
    17,032.80/23,509.80 = 10,318.80/x
  3. Step 3: Cross multiply
    17,032.80x = 23,509.80 × 10,318.80
  4. Step 4: Simplify right side
    17,032.80x = 242,592,924.24
  5. Step 5: Solve for x
    x = 242,592,924.24/17,032.80
  6. Step 6: Final answer
    x = 14,242.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.