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Finding the Fourth Proportional to 46,407.96, 69,954.72 and 43,698.60

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Solution

The fourth proportional to 46,407.96, 69,954.72 and 43,698.60 is: 65,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,407.96 : 69,954.72 = 43,698.60 : x
  2. Step 2: Convert to fraction form
    46,407.96/69,954.72 = 43,698.60/x
  3. Step 3: Cross multiply
    46,407.96x = 69,954.72 × 43,698.60
  4. Step 4: Simplify right side
    46,407.96x = 3,056,923,327.39
  5. Step 5: Solve for x
    x = 3,056,923,327.39/46,407.96
  6. Step 6: Final answer
    x = 65,870.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.