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Finding the Fourth Proportional to 63,536.40, 87,422.76 and 52,164

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Solution

The fourth proportional to 63,536.40, 87,422.76 and 52,164 is: 71,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,536.40 : 87,422.76 = 52,164 : x
  2. Step 2: Convert to fraction form
    63,536.40/87,422.76 = 52,164/x
  3. Step 3: Cross multiply
    63,536.40x = 87,422.76 × 52,164
  4. Step 4: Simplify right side
    63,536.40x = 4,560,320,852.64
  5. Step 5: Solve for x
    x = 4,560,320,852.64/63,536.40
  6. Step 6: Final answer
    x = 71,774.93

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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.