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Finding the Fourth Proportional to 13,937.66, 20,902.17 and 4,701.50

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Solution

The fourth proportional to 13,937.66, 20,902.17 and 4,701.50 is: 7,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.66 : 20,902.17 = 4,701.50 : x
  2. Step 2: Convert to fraction form
    13,937.66/20,902.17 = 4,701.50/x
  3. Step 3: Cross multiply
    13,937.66x = 20,902.17 × 4,701.50
  4. Step 4: Simplify right side
    13,937.66x = 98,271,552.26
  5. Step 5: Solve for x
    x = 98,271,552.26/13,937.66
  6. Step 6: Final answer
    x = 7,050.79

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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.