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Finding the Fourth Proportional to 17,330.64, 23,891.40 and 12,354

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Solution

The fourth proportional to 17,330.64, 23,891.40 and 12,354 is: 17,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,330.64 : 23,891.40 = 12,354 : x
  2. Step 2: Convert to fraction form
    17,330.64/23,891.40 = 12,354/x
  3. Step 3: Cross multiply
    17,330.64x = 23,891.40 × 12,354
  4. Step 4: Simplify right side
    17,330.64x = 295,154,355.60
  5. Step 5: Solve for x
    x = 295,154,355.60/17,330.64
  6. Step 6: Final answer
    x = 17,030.78

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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.