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Finding the Fourth Proportional to 17,341.92, 23,932 and 9,890.40

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Solution

The fourth proportional to 17,341.92, 23,932 and 9,890.40 is: 13,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,341.92 : 23,932 = 9,890.40 : x
  2. Step 2: Convert to fraction form
    17,341.92/23,932 = 9,890.40/x
  3. Step 3: Cross multiply
    17,341.92x = 23,932 × 9,890.40
  4. Step 4: Simplify right side
    17,341.92x = 236,697,052.80
  5. Step 5: Solve for x
    x = 236,697,052.80/17,341.92
  6. Step 6: Final answer
    x = 13,648.84

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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.