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Finding the Fourth Proportional to 7,755.22, 10,698.88 and 6,069.86

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Solution

The fourth proportional to 7,755.22, 10,698.88 and 6,069.86 is: 8,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.22 : 10,698.88 = 6,069.86 : x
  2. Step 2: Convert to fraction form
    7,755.22/10,698.88 = 6,069.86/x
  3. Step 3: Cross multiply
    7,755.22x = 10,698.88 × 6,069.86
  4. Step 4: Simplify right side
    7,755.22x = 64,940,703.76
  5. Step 5: Solve for x
    x = 64,940,703.76/7,755.22
  6. Step 6: Final answer
    x = 8,373.81

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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.