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Finding the Fourth Proportional to 49,607.84, 68,448.13 and 29,471.49

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Solution

The fourth proportional to 49,607.84, 68,448.13 and 29,471.49 is: 40,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,607.84 : 68,448.13 = 29,471.49 : x
  2. Step 2: Convert to fraction form
    49,607.84/68,448.13 = 29,471.49/x
  3. Step 3: Cross multiply
    49,607.84x = 68,448.13 × 29,471.49
  4. Step 4: Simplify right side
    49,607.84x = 2,017,268,378.81
  5. Step 5: Solve for x
    x = 2,017,268,378.81/49,607.84
  6. Step 6: Final answer
    x = 40,664.31

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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.