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Finding the Fourth Proportional to 86,524.52, 129,801.02 and 26,551.49

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Solution

The fourth proportional to 86,524.52, 129,801.02 and 26,551.49 is: 39,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,524.52 : 129,801.02 = 26,551.49 : x
  2. Step 2: Convert to fraction form
    86,524.52/129,801.02 = 26,551.49/x
  3. Step 3: Cross multiply
    86,524.52x = 129,801.02 × 26,551.49
  4. Step 4: Simplify right side
    86,524.52x = 3,446,409,702.76
  5. Step 5: Solve for x
    x = 3,446,409,702.76/86,524.52
  6. Step 6: Final answer
    x = 39,831.60

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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.