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Finding the Fourth Proportional to 58,455.65, 87,697.88 and 16,906.85

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Solution

The fourth proportional to 58,455.65, 87,697.88 and 16,906.85 is: 25,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,455.65 : 87,697.88 = 16,906.85 : x
  2. Step 2: Convert to fraction form
    58,455.65/87,697.88 = 16,906.85/x
  3. Step 3: Cross multiply
    58,455.65x = 87,697.88 × 16,906.85
  4. Step 4: Simplify right side
    58,455.65x = 1,482,694,817.94
  5. Step 5: Solve for x
    x = 1,482,694,817.94/58,455.65
  6. Step 6: Final answer
    x = 25,364.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.