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Finding the Fourth Proportional to 29,263, 40,382.94 and 16,015

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Solution

The fourth proportional to 29,263, 40,382.94 and 16,015 is: 22,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263 : 40,382.94 = 16,015 : x
  2. Step 2: Convert to fraction form
    29,263/40,382.94 = 16,015/x
  3. Step 3: Cross multiply
    29,263x = 40,382.94 × 16,015
  4. Step 4: Simplify right side
    29,263x = 646,732,784.10
  5. Step 5: Solve for x
    x = 646,732,784.10/29,263
  6. Step 6: Final answer
    x = 22,100.70

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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.