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Finding the Fourth Proportional to 6,590.79, 9,887.94 and 2,697.93

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Solution

The fourth proportional to 6,590.79, 9,887.94 and 2,697.93 is: 4,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.79 : 9,887.94 = 2,697.93 : x
  2. Step 2: Convert to fraction form
    6,590.79/9,887.94 = 2,697.93/x
  3. Step 3: Cross multiply
    6,590.79x = 9,887.94 × 2,697.93
  4. Step 4: Simplify right side
    6,590.79x = 26,676,969.96
  5. Step 5: Solve for x
    x = 26,676,969.96/6,590.79
  6. Step 6: Final answer
    x = 4,047.61

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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.