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Finding the Fourth Proportional to 10,751.81, 16,108.88 and 6,590.84

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Solution

The fourth proportional to 10,751.81, 16,108.88 and 6,590.84 is: 9,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.81 : 16,108.88 = 6,590.84 : x
  2. Step 2: Convert to fraction form
    10,751.81/16,108.88 = 6,590.84/x
  3. Step 3: Cross multiply
    10,751.81x = 16,108.88 × 6,590.84
  4. Step 4: Simplify right side
    10,751.81x = 106,170,937.16
  5. Step 5: Solve for x
    x = 106,170,937.16/10,751.81
  6. Step 6: Final answer
    x = 9,874.71

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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.