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Finding the Fourth Proportional to 45,031.44, 67,527.72 and 17,310

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Solution

The fourth proportional to 45,031.44, 67,527.72 and 17,310 is: 25,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.44 : 67,527.72 = 17,310 : x
  2. Step 2: Convert to fraction form
    45,031.44/67,527.72 = 17,310/x
  3. Step 3: Cross multiply
    45,031.44x = 67,527.72 × 17,310
  4. Step 4: Simplify right side
    45,031.44x = 1,168,904,833.20
  5. Step 5: Solve for x
    x = 1,168,904,833.20/45,031.44
  6. Step 6: Final answer
    x = 25,957.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.