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Finding the Fourth Proportional to 17,155.76, 25,730.03 and 4,840.88

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Solution

The fourth proportional to 17,155.76, 25,730.03 and 4,840.88 is: 7,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.76 : 25,730.03 = 4,840.88 : x
  2. Step 2: Convert to fraction form
    17,155.76/25,730.03 = 4,840.88/x
  3. Step 3: Cross multiply
    17,155.76x = 25,730.03 × 4,840.88
  4. Step 4: Simplify right side
    17,155.76x = 124,555,834.77
  5. Step 5: Solve for x
    x = 124,555,834.77/17,155.76
  6. Step 6: Final answer
    x = 7,260.29

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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.