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Finding the Fourth Proportional to 66,376.96, 91,598.40 and 36,568.96

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Solution

The fourth proportional to 66,376.96, 91,598.40 and 36,568.96 is: 50,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.96 : 91,598.40 = 36,568.96 : x
  2. Step 2: Convert to fraction form
    66,376.96/91,598.40 = 36,568.96/x
  3. Step 3: Cross multiply
    66,376.96x = 91,598.40 × 36,568.96
  4. Step 4: Simplify right side
    66,376.96x = 3,349,658,225.66
  5. Step 5: Solve for x
    x = 3,349,658,225.66/66,376.96
  6. Step 6: Final answer
    x = 50,464.17

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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.