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Finding the Fourth Proportional to 9,088.76, 13,636.54 and 2,932.76

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Solution

The fourth proportional to 9,088.76, 13,636.54 and 2,932.76 is: 4,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.76 : 13,636.54 = 2,932.76 : x
  2. Step 2: Convert to fraction form
    9,088.76/13,636.54 = 2,932.76/x
  3. Step 3: Cross multiply
    9,088.76x = 13,636.54 × 2,932.76
  4. Step 4: Simplify right side
    9,088.76x = 39,992,699.05
  5. Step 5: Solve for x
    x = 39,992,699.05/9,088.76
  6. Step 6: Final answer
    x = 4,400.24

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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.