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Finding the Fourth Proportional to 46,706.60, 70,051.80 and 17,109.20

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Solution

The fourth proportional to 46,706.60, 70,051.80 and 17,109.20 is: 25,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,706.60 : 70,051.80 = 17,109.20 : x
  2. Step 2: Convert to fraction form
    46,706.60/70,051.80 = 17,109.20/x
  3. Step 3: Cross multiply
    46,706.60x = 70,051.80 × 17,109.20
  4. Step 4: Simplify right side
    46,706.60x = 1,198,530,256.56
  5. Step 5: Solve for x
    x = 1,198,530,256.56/46,706.60
  6. Step 6: Final answer
    x = 25,660.83

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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.