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Finding the Fourth Proportional to 75,011.49, 112,484.43 and 35,579.88

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Solution

The fourth proportional to 75,011.49, 112,484.43 and 35,579.88 is: 53,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,011.49 : 112,484.43 = 35,579.88 : x
  2. Step 2: Convert to fraction form
    75,011.49/112,484.43 = 35,579.88/x
  3. Step 3: Cross multiply
    75,011.49x = 112,484.43 × 35,579.88
  4. Step 4: Simplify right side
    75,011.49x = 4,002,182,521.27
  5. Step 5: Solve for x
    x = 4,002,182,521.27/75,011.49
  6. Step 6: Final answer
    x = 53,354.26

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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.