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Finding the Fourth Proportional to 17,885.94, 24,678.21 and 10,717.02

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Solution

The fourth proportional to 17,885.94, 24,678.21 and 10,717.02 is: 14,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.94 : 24,678.21 = 10,717.02 : x
  2. Step 2: Convert to fraction form
    17,885.94/24,678.21 = 10,717.02/x
  3. Step 3: Cross multiply
    17,885.94x = 24,678.21 × 10,717.02
  4. Step 4: Simplify right side
    17,885.94x = 264,476,870.13
  5. Step 5: Solve for x
    x = 264,476,870.13/17,885.94
  6. Step 6: Final answer
    x = 14,786.86

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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.