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Finding the Fourth Proportional to 17,871.69, 24,666.12 and 10,316.99

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Solution

The fourth proportional to 17,871.69, 24,666.12 and 10,316.99 is: 14,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.69 : 24,666.12 = 10,316.99 : x
  2. Step 2: Convert to fraction form
    17,871.69/24,666.12 = 10,316.99/x
  3. Step 3: Cross multiply
    17,871.69x = 24,666.12 × 10,316.99
  4. Step 4: Simplify right side
    17,871.69x = 254,479,990.05
  5. Step 5: Solve for x
    x = 254,479,990.05/17,871.69
  6. Step 6: Final answer
    x = 14,239.28

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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.