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Finding the Fourth Proportional to 17,319, 23,913.03 and 10,613.79

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Solution

The fourth proportional to 17,319, 23,913.03 and 10,613.79 is: 14,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319 : 23,913.03 = 10,613.79 : x
  2. Step 2: Convert to fraction form
    17,319/23,913.03 = 10,613.79/x
  3. Step 3: Cross multiply
    17,319x = 23,913.03 × 10,613.79
  4. Step 4: Simplify right side
    17,319x = 253,807,878.68
  5. Step 5: Solve for x
    x = 253,807,878.68/17,319
  6. Step 6: Final answer
    x = 14,654.88

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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.