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Finding the Fourth Proportional to 17,242.80, 25,879.32 and 9,862.08

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Solution

The fourth proportional to 17,242.80, 25,879.32 and 9,862.08 is: 14,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.80 : 25,879.32 = 9,862.08 : x
  2. Step 2: Convert to fraction form
    17,242.80/25,879.32 = 9,862.08/x
  3. Step 3: Cross multiply
    17,242.80x = 25,879.32 × 9,862.08
  4. Step 4: Simplify right side
    17,242.80x = 255,223,924.19
  5. Step 5: Solve for x
    x = 255,223,924.19/17,242.80
  6. Step 6: Final answer
    x = 14,801.77

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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.