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Finding the Fourth Proportional to 52,753.46, 72,799.80 and 28,880.12

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Solution

The fourth proportional to 52,753.46, 72,799.80 and 28,880.12 is: 39,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.46 : 72,799.80 = 28,880.12 : x
  2. Step 2: Convert to fraction form
    52,753.46/72,799.80 = 28,880.12/x
  3. Step 3: Cross multiply
    52,753.46x = 72,799.80 × 28,880.12
  4. Step 4: Simplify right side
    52,753.46x = 2,102,467,033.68
  5. Step 5: Solve for x
    x = 2,102,467,033.68/52,753.46
  6. Step 6: Final answer
    x = 39,854.58

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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.