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Finding the Fourth Proportional to 66,963.30, 92,410.34 and 36,748.10

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Solution

The fourth proportional to 66,963.30, 92,410.34 and 36,748.10 is: 50,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,963.30 : 92,410.34 = 36,748.10 : x
  2. Step 2: Convert to fraction form
    66,963.30/92,410.34 = 36,748.10/x
  3. Step 3: Cross multiply
    66,963.30x = 92,410.34 × 36,748.10
  4. Step 4: Simplify right side
    66,963.30x = 3,395,903,769.56
  5. Step 5: Solve for x
    x = 3,395,903,769.56/66,963.30
  6. Step 6: Final answer
    x = 50,712.91

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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.