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Finding the Fourth Proportional to 74,524.84, 102,844.71 and 40,533.64

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Solution

The fourth proportional to 74,524.84, 102,844.71 and 40,533.64 is: 55,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.84 : 102,844.71 = 40,533.64 : x
  2. Step 2: Convert to fraction form
    74,524.84/102,844.71 = 40,533.64/x
  3. Step 3: Cross multiply
    74,524.84x = 102,844.71 × 40,533.64
  4. Step 4: Simplify right side
    74,524.84x = 4,168,670,451.04
  5. Step 5: Solve for x
    x = 4,168,670,451.04/74,524.84
  6. Step 6: Final answer
    x = 55,936.66

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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.