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Finding the Fourth Proportional to 6,590.69, 9,096.05 and 3,720.01

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Solution

The fourth proportional to 6,590.69, 9,096.05 and 3,720.01 is: 5,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.69 : 9,096.05 = 3,720.01 : x
  2. Step 2: Convert to fraction form
    6,590.69/9,096.05 = 3,720.01/x
  3. Step 3: Cross multiply
    6,590.69x = 9,096.05 × 3,720.01
  4. Step 4: Simplify right side
    6,590.69x = 33,837,332.88
  5. Step 5: Solve for x
    x = 33,837,332.88/6,590.69
  6. Step 6: Final answer
    x = 5,134.11

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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.