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Finding the Fourth Proportional to 44,683.76, 61,629.42 and 30,354.64

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Solution

The fourth proportional to 44,683.76, 61,629.42 and 30,354.64 is: 41,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,683.76 : 61,629.42 = 30,354.64 : x
  2. Step 2: Convert to fraction form
    44,683.76/61,629.42 = 30,354.64/x
  3. Step 3: Cross multiply
    44,683.76x = 61,629.42 × 30,354.64
  4. Step 4: Simplify right side
    44,683.76x = 1,870,738,857.51
  5. Step 5: Solve for x
    x = 1,870,738,857.51/44,683.76
  6. Step 6: Final answer
    x = 41,866.19

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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.