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Finding the Fourth Proportional to 66,812.17, 92,200.64 and 36,185.17

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Solution

The fourth proportional to 66,812.17, 92,200.64 and 36,185.17 is: 49,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,812.17 : 92,200.64 = 36,185.17 : x
  2. Step 2: Convert to fraction form
    66,812.17/92,200.64 = 36,185.17/x
  3. Step 3: Cross multiply
    66,812.17x = 92,200.64 × 36,185.17
  4. Step 4: Simplify right side
    66,812.17x = 3,336,295,832.51
  5. Step 5: Solve for x
    x = 3,336,295,832.51/66,812.17
  6. Step 6: Final answer
    x = 49,935.45

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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.