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Finding the Fourth Proportional to 9,104.51, 13,631.08 and 4,820.52

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Solution

The fourth proportional to 9,104.51, 13,631.08 and 4,820.52 is: 7,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.51 : 13,631.08 = 4,820.52 : x
  2. Step 2: Convert to fraction form
    9,104.51/13,631.08 = 4,820.52/x
  3. Step 3: Cross multiply
    9,104.51x = 13,631.08 × 4,820.52
  4. Step 4: Simplify right side
    9,104.51x = 65,708,893.76
  5. Step 5: Solve for x
    x = 65,708,893.76/9,104.51
  6. Step 6: Final answer
    x = 7,217.18

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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.