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Finding the Fourth Proportional to 9,104.87, 13,656.87 and 2,530.91

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Solution

The fourth proportional to 9,104.87, 13,656.87 and 2,530.91 is: 3,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.87 : 13,656.87 = 2,530.91 : x
  2. Step 2: Convert to fraction form
    9,104.87/13,656.87 = 2,530.91/x
  3. Step 3: Cross multiply
    9,104.87x = 13,656.87 × 2,530.91
  4. Step 4: Simplify right side
    9,104.87x = 34,564,342.99
  5. Step 5: Solve for x
    x = 34,564,342.99/9,104.87
  6. Step 6: Final answer
    x = 3,796.25

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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.