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Finding the Fourth Proportional to 66,504.90, 99,629.37 and 41,554.74

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Solution

The fourth proportional to 66,504.90, 99,629.37 and 41,554.74 is: 62,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.90 : 99,629.37 = 41,554.74 : x
  2. Step 2: Convert to fraction form
    66,504.90/99,629.37 = 41,554.74/x
  3. Step 3: Cross multiply
    66,504.90x = 99,629.37 × 41,554.74
  4. Step 4: Simplify right side
    66,504.90x = 4,140,072,566.71
  5. Step 5: Solve for x
    x = 4,140,072,566.71/66,504.90
  6. Step 6: Final answer
    x = 62,252.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.