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Finding the Fourth Proportional to 66,883.42, 92,300.16 and 36,671.50

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Solution

The fourth proportional to 66,883.42, 92,300.16 and 36,671.50 is: 50,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883.42 : 92,300.16 = 36,671.50 : x
  2. Step 2: Convert to fraction form
    66,883.42/92,300.16 = 36,671.50/x
  3. Step 3: Cross multiply
    66,883.42x = 92,300.16 × 36,671.50
  4. Step 4: Simplify right side
    66,883.42x = 3,384,785,317.44
  5. Step 5: Solve for x
    x = 3,384,785,317.44/66,883.42
  6. Step 6: Final answer
    x = 50,607.24

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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.