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Finding the Fourth Proportional to 52,796.33, 72,859.07 and 28,923.47

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Solution

The fourth proportional to 52,796.33, 72,859.07 and 28,923.47 is: 39,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,796.33 : 72,859.07 = 28,923.47 : x
  2. Step 2: Convert to fraction form
    52,796.33/72,859.07 = 28,923.47/x
  3. Step 3: Cross multiply
    52,796.33x = 72,859.07 × 28,923.47
  4. Step 4: Simplify right side
    52,796.33x = 2,107,337,125.37
  5. Step 5: Solve for x
    x = 2,107,337,125.37/52,796.33
  6. Step 6: Final answer
    x = 39,914.46

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1.5x scale

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.