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Finding the Fourth Proportional to 17,988.21, 24,823.80 and 10,031.04

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Solution

The fourth proportional to 17,988.21, 24,823.80 and 10,031.04 is: 13,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.21 : 24,823.80 = 10,031.04 : x
  2. Step 2: Convert to fraction form
    17,988.21/24,823.80 = 10,031.04/x
  3. Step 3: Cross multiply
    17,988.21x = 24,823.80 × 10,031.04
  4. Step 4: Simplify right side
    17,988.21x = 249,008,530.75
  5. Step 5: Solve for x
    x = 249,008,530.75/17,988.21
  6. Step 6: Final answer
    x = 13,842.87

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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.