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Finding the Fourth Proportional to 17,676.13, 24,393.53 and 9,718.56

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Solution

The fourth proportional to 17,676.13, 24,393.53 and 9,718.56 is: 13,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.13 : 24,393.53 = 9,718.56 : x
  2. Step 2: Convert to fraction form
    17,676.13/24,393.53 = 9,718.56/x
  3. Step 3: Cross multiply
    17,676.13x = 24,393.53 × 9,718.56
  4. Step 4: Simplify right side
    17,676.13x = 237,069,984.92
  5. Step 5: Solve for x
    x = 237,069,984.92/17,676.13
  6. Step 6: Final answer
    x = 13,411.87

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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.