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Finding the Fourth Proportional to 34,816.50, 48,046.10 and 19,712.03

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Solution

The fourth proportional to 34,816.50, 48,046.10 and 19,712.03 is: 27,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,816.50 : 48,046.10 = 19,712.03 : x
  2. Step 2: Convert to fraction form
    34,816.50/48,046.10 = 19,712.03/x
  3. Step 3: Cross multiply
    34,816.50x = 48,046.10 × 19,712.03
  4. Step 4: Simplify right side
    34,816.50x = 947,085,825.79
  5. Step 5: Solve for x
    x = 947,085,825.79/34,816.50
  6. Step 6: Final answer
    x = 27,202.21

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1.5x scale

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.