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Finding the Fourth Proportional to 74,573.49, 102,911.43 and 41,039.49

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Solution

The fourth proportional to 74,573.49, 102,911.43 and 41,039.49 is: 56,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.49 : 102,911.43 = 41,039.49 : x
  2. Step 2: Convert to fraction form
    74,573.49/102,911.43 = 41,039.49/x
  3. Step 3: Cross multiply
    74,573.49x = 102,911.43 × 41,039.49
  4. Step 4: Simplify right side
    74,573.49x = 4,223,432,602.37
  5. Step 5: Solve for x
    x = 4,223,432,602.37/74,573.49
  6. Step 6: Final answer
    x = 56,634.50

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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.