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Finding the Fourth Proportional to 17,088.76, 25,631.07 and 4,609.90

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Solution

The fourth proportional to 17,088.76, 25,631.07 and 4,609.90 is: 6,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.76 : 25,631.07 = 4,609.90 : x
  2. Step 2: Convert to fraction form
    17,088.76/25,631.07 = 4,609.90/x
  3. Step 3: Cross multiply
    17,088.76x = 25,631.07 × 4,609.90
  4. Step 4: Simplify right side
    17,088.76x = 118,156,669.59
  5. Step 5: Solve for x
    x = 118,156,669.59/17,088.76
  6. Step 6: Final answer
    x = 6,914.29

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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.