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Finding the Fourth Proportional to 52,794.96, 72,857.06 and 28,922.48

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Solution

The fourth proportional to 52,794.96, 72,857.06 and 28,922.48 is: 39,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.96 : 72,857.06 = 28,922.48 : x
  2. Step 2: Convert to fraction form
    52,794.96/72,857.06 = 28,922.48/x
  3. Step 3: Cross multiply
    52,794.96x = 72,857.06 × 28,922.48
  4. Step 4: Simplify right side
    52,794.96x = 2,107,206,351.81
  5. Step 5: Solve for x
    x = 2,107,206,351.81/52,794.96
  6. Step 6: Final answer
    x = 39,913.02

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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.