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Finding the Fourth Proportional to 66,998.46, 92,457.44 and 36,784.30

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Solution

The fourth proportional to 66,998.46, 92,457.44 and 36,784.30 is: 50,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.46 : 92,457.44 = 36,784.30 : x
  2. Step 2: Convert to fraction form
    66,998.46/92,457.44 = 36,784.30/x
  3. Step 3: Cross multiply
    66,998.46x = 92,457.44 × 36,784.30
  4. Step 4: Simplify right side
    66,998.46x = 3,400,982,210.19
  5. Step 5: Solve for x
    x = 3,400,982,210.19/66,998.46
  6. Step 6: Final answer
    x = 50,762.10

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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.