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Finding the Fourth Proportional to 23,393.70, 35,101.62 and 12,143.06

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Solution

The fourth proportional to 23,393.70, 35,101.62 and 12,143.06 is: 18,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,393.70 : 35,101.62 = 12,143.06 : x
  2. Step 2: Convert to fraction form
    23,393.70/35,101.62 = 12,143.06/x
  3. Step 3: Cross multiply
    23,393.70x = 35,101.62 × 12,143.06
  4. Step 4: Simplify right side
    23,393.70x = 426,241,017.04
  5. Step 5: Solve for x
    x = 426,241,017.04/23,393.70
  6. Step 6: Final answer
    x = 18,220.33

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1.5x scale

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.