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Finding the Fourth Proportional to 66,893.76, 92,244.48 and 46,743.30

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Solution

The fourth proportional to 66,893.76, 92,244.48 and 46,743.30 is: 64,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893.76 : 92,244.48 = 46,743.30 : x
  2. Step 2: Convert to fraction form
    66,893.76/92,244.48 = 46,743.30/x
  3. Step 3: Cross multiply
    66,893.76x = 92,244.48 × 46,743.30
  4. Step 4: Simplify right side
    66,893.76x = 4,311,811,401.98
  5. Step 5: Solve for x
    x = 4,311,811,401.98/66,893.76
  6. Step 6: Final answer
    x = 64,457.60

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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.