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Finding the Fourth Proportional to 51,110.82, 70,472.52 and 34,985.88

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Solution

The fourth proportional to 51,110.82, 70,472.52 and 34,985.88 is: 48,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.82 : 70,472.52 = 34,985.88 : x
  2. Step 2: Convert to fraction form
    51,110.82/70,472.52 = 34,985.88/x
  3. Step 3: Cross multiply
    51,110.82x = 70,472.52 × 34,985.88
  4. Step 4: Simplify right side
    51,110.82x = 2,465,543,128.02
  5. Step 5: Solve for x
    x = 2,465,543,128.02/51,110.82
  6. Step 6: Final answer
    x = 48,239.16

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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.