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Finding the Fourth Proportional to 29,431.98, 40,601.07 and 17,323.92

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Solution

The fourth proportional to 29,431.98, 40,601.07 and 17,323.92 is: 23,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.98 : 40,601.07 = 17,323.92 : x
  2. Step 2: Convert to fraction form
    29,431.98/40,601.07 = 17,323.92/x
  3. Step 3: Cross multiply
    29,431.98x = 40,601.07 × 17,323.92
  4. Step 4: Simplify right side
    29,431.98x = 703,369,688.59
  5. Step 5: Solve for x
    x = 703,369,688.59/29,431.98
  6. Step 6: Final answer
    x = 23,898.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.