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Finding the Fourth Proportional to 66,774.84, 92,149.28 and 36,560.16

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Solution

The fourth proportional to 66,774.84, 92,149.28 and 36,560.16 is: 50,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,774.84 : 92,149.28 = 36,560.16 : x
  2. Step 2: Convert to fraction form
    66,774.84/92,149.28 = 36,560.16/x
  3. Step 3: Cross multiply
    66,774.84x = 92,149.28 × 36,560.16
  4. Step 4: Simplify right side
    66,774.84x = 3,368,992,374.98
  5. Step 5: Solve for x
    x = 3,368,992,374.98/66,774.84
  6. Step 6: Final answer
    x = 50,453.02

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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.