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Finding the Fourth Proportional to 66,010.07, 98,913.18 and 44,578.79

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Solution

The fourth proportional to 66,010.07, 98,913.18 and 44,578.79 is: 66,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.07 : 98,913.18 = 44,578.79 : x
  2. Step 2: Convert to fraction form
    66,010.07/98,913.18 = 44,578.79/x
  3. Step 3: Cross multiply
    66,010.07x = 98,913.18 × 44,578.79
  4. Step 4: Simplify right side
    66,010.07x = 4,409,429,879.45
  5. Step 5: Solve for x
    x = 4,409,429,879.45/66,010.07
  6. Step 6: Final answer
    x = 66,799.35

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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.