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Finding the Fourth Proportional to 74,937.84, 112,418.94 and 34,996.74

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Solution

The fourth proportional to 74,937.84, 112,418.94 and 34,996.74 is: 52,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,937.84 : 112,418.94 = 34,996.74 : x
  2. Step 2: Convert to fraction form
    74,937.84/112,418.94 = 34,996.74/x
  3. Step 3: Cross multiply
    74,937.84x = 112,418.94 × 34,996.74
  4. Step 4: Simplify right side
    74,937.84x = 3,934,296,414.26
  5. Step 5: Solve for x
    x = 3,934,296,414.26/74,937.84
  6. Step 6: Final answer
    x = 52,500.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.