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Finding the Fourth Proportional to 29,473.57, 40,669.95 and 16,728.22

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Solution

The fourth proportional to 29,473.57, 40,669.95 and 16,728.22 is: 23,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,473.57 : 40,669.95 = 16,728.22 : x
  2. Step 2: Convert to fraction form
    29,473.57/40,669.95 = 16,728.22/x
  3. Step 3: Cross multiply
    29,473.57x = 40,669.95 × 16,728.22
  4. Step 4: Simplify right side
    29,473.57x = 680,335,870.99
  5. Step 5: Solve for x
    x = 680,335,870.99/29,473.57
  6. Step 6: Final answer
    x = 23,082.91

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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.