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Finding the Fourth Proportional to 17,261.66, 25,887 and 5,572.16

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Solution

The fourth proportional to 17,261.66, 25,887 and 5,572.16 is: 8,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.66 : 25,887 = 5,572.16 : x
  2. Step 2: Convert to fraction form
    17,261.66/25,887 = 5,572.16/x
  3. Step 3: Cross multiply
    17,261.66x = 25,887 × 5,572.16
  4. Step 4: Simplify right side
    17,261.66x = 144,246,505.92
  5. Step 5: Solve for x
    x = 144,246,505.92/17,261.66
  6. Step 6: Final answer
    x = 8,356.47

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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.