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Finding the Fourth Proportional to 52,551.62, 72,522.77 and 28,679.83

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Solution

The fourth proportional to 52,551.62, 72,522.77 and 28,679.83 is: 39,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.62 : 72,522.77 = 28,679.83 : x
  2. Step 2: Convert to fraction form
    52,551.62/72,522.77 = 28,679.83/x
  3. Step 3: Cross multiply
    52,551.62x = 72,522.77 × 28,679.83
  4. Step 4: Simplify right side
    52,551.62x = 2,079,940,714.73
  5. Step 5: Solve for x
    x = 2,079,940,714.73/52,551.62
  6. Step 6: Final answer
    x = 39,579.00

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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.