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Finding the Fourth Proportional to 52,757.96, 72,803.22 and 28,880.06

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Solution

The fourth proportional to 52,757.96, 72,803.22 and 28,880.06 is: 39,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.96 : 72,803.22 = 28,880.06 : x
  2. Step 2: Convert to fraction form
    52,757.96/72,803.22 = 28,880.06/x
  3. Step 3: Cross multiply
    52,757.96x = 72,803.22 × 28,880.06
  4. Step 4: Simplify right side
    52,757.96x = 2,102,561,361.79
  5. Step 5: Solve for x
    x = 2,102,561,361.79/52,757.96
  6. Step 6: Final answer
    x = 39,852.97

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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.