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Finding the Fourth Proportional to 17,339.25, 23,931.41 and 9,887.25

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Solution

The fourth proportional to 17,339.25, 23,931.41 and 9,887.25 is: 13,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.25 : 23,931.41 = 9,887.25 : x
  2. Step 2: Convert to fraction form
    17,339.25/23,931.41 = 9,887.25/x
  3. Step 3: Cross multiply
    17,339.25x = 23,931.41 × 9,887.25
  4. Step 4: Simplify right side
    17,339.25x = 236,615,833.52
  5. Step 5: Solve for x
    x = 236,615,833.52/17,339.25
  6. Step 6: Final answer
    x = 13,646.26

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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.