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Finding the Fourth Proportional to 66,892.96, 92,232.48 and 43,020.64

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Solution

The fourth proportional to 66,892.96, 92,232.48 and 43,020.64 is: 59,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,892.96 : 92,232.48 = 43,020.64 : x
  2. Step 2: Convert to fraction form
    66,892.96/92,232.48 = 43,020.64/x
  3. Step 3: Cross multiply
    66,892.96x = 92,232.48 × 43,020.64
  4. Step 4: Simplify right side
    66,892.96x = 3,967,900,318.39
  5. Step 5: Solve for x
    x = 3,967,900,318.39/66,892.96
  6. Step 6: Final answer
    x = 59,317.16

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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.