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Finding the Fourth Proportional to 29,712, 44,568 and 8,935.52

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Solution

The fourth proportional to 29,712, 44,568 and 8,935.52 is: 13,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,712 : 44,568 = 8,935.52 : x
  2. Step 2: Convert to fraction form
    29,712/44,568 = 8,935.52/x
  3. Step 3: Cross multiply
    29,712x = 44,568 × 8,935.52
  4. Step 4: Simplify right side
    29,712x = 398,238,255.36
  5. Step 5: Solve for x
    x = 398,238,255.36/29,712
  6. Step 6: Final answer
    x = 13,403.28

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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.