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Finding the Fourth Proportional to 46,680.42, 70,000 and 13,392.92

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Solution

The fourth proportional to 46,680.42, 70,000 and 13,392.92 is: 20,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,680.42 : 70,000 = 13,392.92 : x
  2. Step 2: Convert to fraction form
    46,680.42/70,000 = 13,392.92/x
  3. Step 3: Cross multiply
    46,680.42x = 70,000 × 13,392.92
  4. Step 4: Simplify right side
    46,680.42x = 937,504,400
  5. Step 5: Solve for x
    x = 937,504,400/46,680.42
  6. Step 6: Final answer
    x = 20,083.46

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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.