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Finding the Fourth Proportional to 29,652.99, 40,921.29 and 16,732.38

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Solution

The fourth proportional to 29,652.99, 40,921.29 and 16,732.38 is: 23,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,652.99 : 40,921.29 = 16,732.38 : x
  2. Step 2: Convert to fraction form
    29,652.99/40,921.29 = 16,732.38/x
  3. Step 3: Cross multiply
    29,652.99x = 40,921.29 × 16,732.38
  4. Step 4: Simplify right side
    29,652.99x = 684,710,574.37
  5. Step 5: Solve for x
    x = 684,710,574.37/29,652.99
  6. Step 6: Final answer
    x = 23,090.78

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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.