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Finding the Fourth Proportional to 52,757.92, 72,803.05 and 28,879.98

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Solution

The fourth proportional to 52,757.92, 72,803.05 and 28,879.98 is: 39,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.92 : 72,803.05 = 28,879.98 : x
  2. Step 2: Convert to fraction form
    52,757.92/72,803.05 = 28,879.98/x
  3. Step 3: Cross multiply
    52,757.92x = 72,803.05 × 28,879.98
  4. Step 4: Simplify right side
    52,757.92x = 2,102,550,445.18
  5. Step 5: Solve for x
    x = 2,102,550,445.18/52,757.92
  6. Step 6: Final answer
    x = 39,852.80

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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.