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Finding the Fourth Proportional to 66,376.17, 91,600.19 and 36,162.93

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Solution

The fourth proportional to 66,376.17, 91,600.19 and 36,162.93 is: 49,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.17 : 91,600.19 = 36,162.93 : x
  2. Step 2: Convert to fraction form
    66,376.17/91,600.19 = 36,162.93/x
  3. Step 3: Cross multiply
    66,376.17x = 91,600.19 × 36,162.93
  4. Step 4: Simplify right side
    66,376.17x = 3,312,531,078.14
  5. Step 5: Solve for x
    x = 3,312,531,078.14/66,376.17
  6. Step 6: Final answer
    x = 49,905.43

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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.